esModuleInterop to true

189 files changed, 392 insertions, 389 deletions

diff --git a/server/controllers/activitypub/client.ts b/server/controllers/activitypub/client.ts
index bef4bc068..c4e3cec6b 100644
--- a/server/controllers/activitypub/client.ts
+++ b/server/controllers/activitypub/client.ts
@@ -1,5 +1,5 @@
-import * as cors from 'cors'
-import * as express from 'express'
+import cors from 'cors'
+import express from 'express'
 import { getServerActor } from '@server/models/application/application'
 import { MAccountId, MActorId, MChannelId, MVideoId } from '@server/types/models'
 import { VideoPrivacy, VideoRateType } from '../../../shared/models/videos'
diff --git a/server/controllers/activitypub/inbox.ts b/server/controllers/activitypub/inbox.ts
index 30662990a..ece4edff0 100644
--- a/server/controllers/activitypub/inbox.ts
+++ b/server/controllers/activitypub/inbox.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { InboxManager } from '@server/lib/activitypub/inbox-manager'
 import { Activity, ActivityPubCollection, ActivityPubOrderedCollection, RootActivity } from '../../../shared'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
diff --git a/server/controllers/activitypub/index.ts b/server/controllers/activitypub/index.ts
index 7e81902af..8c681820a 100644
--- a/server/controllers/activitypub/index.ts
+++ b/server/controllers/activitypub/index.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { activityPubClientRouter } from './client'
 import { inboxRouter } from './inbox'
 import { outboxRouter } from './outbox'
diff --git a/server/controllers/activitypub/outbox.ts b/server/controllers/activitypub/outbox.ts
index 22328da7f..bdf9d138b 100644
--- a/server/controllers/activitypub/outbox.ts
+++ b/server/controllers/activitypub/outbox.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { Activity } from '../../../shared/models/activitypub/activity'
 import { VideoPrivacy } from '../../../shared/models/videos'
 import { activityPubCollectionPagination, activityPubContextify } from '../../helpers/activitypub'
diff --git a/server/controllers/activitypub/utils.ts b/server/controllers/activitypub/utils.ts
index 19bdd58eb..f851ef652 100644
--- a/server/controllers/activitypub/utils.ts
+++ b/server/controllers/activitypub/utils.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 
 function activityPubResponse (data: any, res: express.Response) {
   return res.type('application/activity+json; charset=utf-8')
diff --git a/server/controllers/api/abuse.ts b/server/controllers/api/abuse.ts
index e851365e9..72c418e74 100644
--- a/server/controllers/api/abuse.ts
+++ b/server/controllers/api/abuse.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { logger } from '@server/helpers/logger'
 import { createAccountAbuse, createVideoAbuse, createVideoCommentAbuse } from '@server/lib/moderation'
 import { Notifier } from '@server/lib/notifier'
diff --git a/server/controllers/api/accounts.ts b/server/controllers/api/accounts.ts
index 55e2aaf62..75679b0f4 100644
--- a/server/controllers/api/accounts.ts
+++ b/server/controllers/api/accounts.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { pickCommonVideoQuery } from '@server/helpers/query'
 import { getServerActor } from '@server/models/application/application'
 import { buildNSFWFilter, getCountVideos, isUserAbleToSearchRemoteURI } from '../../helpers/express-utils'
diff --git a/server/controllers/api/bulk.ts b/server/controllers/api/bulk.ts
index 62121ece5..d27c3c73e 100644
--- a/server/controllers/api/bulk.ts
+++ b/server/controllers/api/bulk.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { removeComment } from '@server/lib/video-comment'
 import { bulkRemoveCommentsOfValidator } from '@server/middlewares/validators/bulk'
 import { VideoCommentModel } from '@server/models/video/video-comment'
diff --git a/server/controllers/api/config.ts b/server/controllers/api/config.ts
index ee733a38c..d542f62aa 100644
--- a/server/controllers/api/config.ts
+++ b/server/controllers/api/config.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { remove, writeJSON } from 'fs-extra'
 import { snakeCase } from 'lodash'
 import validator from 'validator'
diff --git a/server/controllers/api/custom-page.ts b/server/controllers/api/custom-page.ts
index 68d8c2ea4..d1c672f3f 100644
--- a/server/controllers/api/custom-page.ts
+++ b/server/controllers/api/custom-page.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { ServerConfigManager } from '@server/lib/server-config-manager'
 import { ActorCustomPageModel } from '@server/models/account/actor-custom-page'
 import { HttpStatusCode, UserRight } from '@shared/models'
diff --git a/server/controllers/api/index.ts b/server/controllers/api/index.ts
index 93b14dadb..9949b378a 100644
--- a/server/controllers/api/index.ts
+++ b/server/controllers/api/index.ts
@@ -1,6 +1,6 @@
-import * as cors from 'cors'
-import * as express from 'express'
-import * as RateLimit from 'express-rate-limit'
+import cors from 'cors'
+import express from 'express'
+import RateLimit from 'express-rate-limit'
 import { HttpStatusCode } from '../../../shared/models'
 import { badRequest } from '../../helpers/express-utils'
 import { CONFIG } from '../../initializers/config'
diff --git a/server/controllers/api/jobs.ts b/server/controllers/api/jobs.ts
index 9e333322b..7001674bb 100644
--- a/server/controllers/api/jobs.ts
+++ b/server/controllers/api/jobs.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { ResultList } from '../../../shared'
 import { Job, JobState, JobType } from '../../../shared/models'
 import { UserRight } from '../../../shared/models/users'
diff --git a/server/controllers/api/oauth-clients.ts b/server/controllers/api/oauth-clients.ts
index f95f06864..4990fb0df 100644
--- a/server/controllers/api/oauth-clients.ts
+++ b/server/controllers/api/oauth-clients.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { OAuthClientLocal } from '../../../shared'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
 import { logger } from '../../helpers/logger'
diff --git a/server/controllers/api/overviews.ts b/server/controllers/api/overviews.ts
index 2dfac15ef..5b16232e2 100644
--- a/server/controllers/api/overviews.ts
+++ b/server/controllers/api/overviews.ts
@@ -1,5 +1,5 @@
-import * as express from 'express'
-import * as memoizee from 'memoizee'
+import express from 'express'
+import memoizee from 'memoizee'
 import { logger } from '@server/helpers/logger'
 import { Hooks } from '@server/lib/plugins/hooks'
 import { VideoModel } from '@server/models/video/video'
diff --git a/server/controllers/api/plugins.ts b/server/controllers/api/plugins.ts
index 3a9ef34e8..2de7fe41f 100644
--- a/server/controllers/api/plugins.ts
+++ b/server/controllers/api/plugins.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { logger } from '@server/helpers/logger'
 import { getFormattedObjects } from '@server/helpers/utils'
 import { listAvailablePluginsFromIndex } from '@server/lib/plugins/plugin-index'
diff --git a/server/controllers/api/search/index.ts b/server/controllers/api/search/index.ts
index 67adbb307..39efc0b10 100644
--- a/server/controllers/api/search/index.ts
+++ b/server/controllers/api/search/index.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { searchChannelsRouter } from './search-video-channels'
 import { searchPlaylistsRouter } from './search-video-playlists'
 import { searchVideosRouter } from './search-videos'
diff --git a/server/controllers/api/search/search-video-channels.ts b/server/controllers/api/search/search-video-channels.ts
index eef222506..25173ac20 100644
--- a/server/controllers/api/search/search-video-channels.ts
+++ b/server/controllers/api/search/search-video-channels.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { sanitizeUrl } from '@server/helpers/core-utils'
 import { pickSearchChannelQuery } from '@server/helpers/query'
 import { doJSONRequest } from '@server/helpers/requests'
diff --git a/server/controllers/api/search/search-video-playlists.ts b/server/controllers/api/search/search-video-playlists.ts
index 0a56f19b7..b28f11c79 100644
--- a/server/controllers/api/search/search-video-playlists.ts
+++ b/server/controllers/api/search/search-video-playlists.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { sanitizeUrl } from '@server/helpers/core-utils'
 import { isUserAbleToSearchRemoteURI } from '@server/helpers/express-utils'
 import { logger } from '@server/helpers/logger'
diff --git a/server/controllers/api/search/search-videos.ts b/server/controllers/api/search/search-videos.ts
index 4a6ce0de4..eb7ce0841 100644
--- a/server/controllers/api/search/search-videos.ts
+++ b/server/controllers/api/search/search-videos.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { sanitizeUrl } from '@server/helpers/core-utils'
 import { pickSearchVideoQuery } from '@server/helpers/query'
 import { doJSONRequest } from '@server/helpers/requests'
diff --git a/server/controllers/api/server/contact.ts b/server/controllers/api/server/contact.ts
index b315e99cf..09ff50f69 100644
--- a/server/controllers/api/server/contact.ts
+++ b/server/controllers/api/server/contact.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { ContactForm } from '../../../../shared/models/server'
 import { Emailer } from '../../../lib/emailer'
diff --git a/server/controllers/api/server/debug.ts b/server/controllers/api/server/debug.ts
index 0601b89ce..093e6a03c 100644
--- a/server/controllers/api/server/debug.ts
+++ b/server/controllers/api/server/debug.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { InboxManager } from '@server/lib/activitypub/inbox-manager'
 import { RemoveDanglingResumableUploadsScheduler } from '@server/lib/schedulers/remove-dangling-resumable-uploads-scheduler'
 import { Debug, SendDebugCommand } from '@shared/models'
diff --git a/server/controllers/api/server/follows.ts b/server/controllers/api/server/follows.ts
index cbe6b7e4f..2e0fd25eb 100644
--- a/server/controllers/api/server/follows.ts
+++ b/server/controllers/api/server/follows.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { getServerActor } from '@server/models/application/application'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { UserRight } from '../../../../shared/models/users'
diff --git a/server/controllers/api/server/index.ts b/server/controllers/api/server/index.ts
index 32fefefc0..b20718d09 100644
--- a/server/controllers/api/server/index.ts
+++ b/server/controllers/api/server/index.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { contactRouter } from './contact'
 import { debugRouter } from './debug'
 import { serverFollowsRouter } from './follows'
diff --git a/server/controllers/api/server/logs.ts b/server/controllers/api/server/logs.ts
index 39eceb654..dfd5491aa 100644
--- a/server/controllers/api/server/logs.ts
+++ b/server/controllers/api/server/logs.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { readdir, readFile } from 'fs-extra'
 import { join } from 'path'
 import { logger, mtimeSortFilesDesc } from '@server/helpers/logger'
diff --git a/server/controllers/api/server/redundancy.ts b/server/controllers/api/server/redundancy.ts
index e36c8d2db..9f43d3e4e 100644
--- a/server/controllers/api/server/redundancy.ts
+++ b/server/controllers/api/server/redundancy.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { JobQueue } from '@server/lib/job-queue'
 import { VideoRedundancyModel } from '@server/models/redundancy/video-redundancy'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
diff --git a/server/controllers/api/server/server-blocklist.ts b/server/controllers/api/server/server-blocklist.ts
index b3ee50d85..740f95da3 100644
--- a/server/controllers/api/server/server-blocklist.ts
+++ b/server/controllers/api/server/server-blocklist.ts
@@ -1,5 +1,5 @@
 import 'multer'
-import * as express from 'express'
+import express from 'express'
 import { logger } from '@server/helpers/logger'
 import { getServerActor } from '@server/models/application/application'
 import { UserNotificationModel } from '@server/models/user/user-notification'
diff --git a/server/controllers/api/server/stats.ts b/server/controllers/api/server/stats.ts
index 397702548..d661144ca 100644
--- a/server/controllers/api/server/stats.ts
+++ b/server/controllers/api/server/stats.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { StatsManager } from '@server/lib/stat-manager'
 import { ROUTE_CACHE_LIFETIME } from '../../../initializers/constants'
 import { asyncMiddleware } from '../../../middlewares'
diff --git a/server/controllers/api/users/index.ts b/server/controllers/api/users/index.ts
index be800e8b5..bc47e5fec 100644
--- a/server/controllers/api/users/index.ts
+++ b/server/controllers/api/users/index.ts
@@ -1,5 +1,5 @@
-import * as express from 'express'
-import * as RateLimit from 'express-rate-limit'
+import express from 'express'
+import RateLimit from 'express-rate-limit'
 import { tokensRouter } from '@server/controllers/api/users/token'
 import { Hooks } from '@server/lib/plugins/hooks'
 import { OAuthTokenModel } from '@server/models/oauth/oauth-token'
diff --git a/server/controllers/api/users/me.ts b/server/controllers/api/users/me.ts
index a98d79218..83b774d3c 100644
--- a/server/controllers/api/users/me.ts
+++ b/server/controllers/api/users/me.ts
@@ -1,5 +1,5 @@
 import 'multer'
-import * as express from 'express'
+import express from 'express'
 import { auditLoggerFactory, getAuditIdFromRes, UserAuditView } from '@server/helpers/audit-logger'
 import { Hooks } from '@server/lib/plugins/hooks'
 import { AttributesOnly } from '@shared/core-utils'
diff --git a/server/controllers/api/users/my-abuses.ts b/server/controllers/api/users/my-abuses.ts
index fcd0ce3fc..103c3d332 100644
--- a/server/controllers/api/users/my-abuses.ts
+++ b/server/controllers/api/users/my-abuses.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { AbuseModel } from '@server/models/abuse/abuse'
 import {
   abuseListForUserValidator,
diff --git a/server/controllers/api/users/my-blocklist.ts b/server/controllers/api/users/my-blocklist.ts
index 24fff83e3..0b56645cf 100644
--- a/server/controllers/api/users/my-blocklist.ts
+++ b/server/controllers/api/users/my-blocklist.ts
@@ -1,5 +1,5 @@
 import 'multer'
-import * as express from 'express'
+import express from 'express'
 import { logger } from '@server/helpers/logger'
 import { UserNotificationModel } from '@server/models/user/user-notification'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
diff --git a/server/controllers/api/users/my-history.ts b/server/controllers/api/users/my-history.ts
index a6e723103..2fcb25acf 100644
--- a/server/controllers/api/users/my-history.ts
+++ b/server/controllers/api/users/my-history.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { getFormattedObjects } from '../../../helpers/utils'
 import { sequelizeTypescript } from '../../../initializers/database'
diff --git a/server/controllers/api/users/my-notifications.ts b/server/controllers/api/users/my-notifications.ts
index 3beee07c0..d107a306e 100644
--- a/server/controllers/api/users/my-notifications.ts
+++ b/server/controllers/api/users/my-notifications.ts
@@ -1,5 +1,5 @@
 import 'multer'
-import * as express from 'express'
+import express from 'express'
 import { UserNotificationModel } from '@server/models/user/user-notification'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { UserNotificationSetting } from '../../../../shared/models/users'
diff --git a/server/controllers/api/users/my-subscriptions.ts b/server/controllers/api/users/my-subscriptions.ts
index 26a715704..e3c0cf089 100644
--- a/server/controllers/api/users/my-subscriptions.ts
+++ b/server/controllers/api/users/my-subscriptions.ts
@@ -1,5 +1,5 @@
 import 'multer'
-import * as express from 'express'
+import express from 'express'
 import { pickCommonVideoQuery } from '@server/helpers/query'
 import { sendUndoFollow } from '@server/lib/activitypub/send'
 import { VideoChannelModel } from '@server/models/video/video-channel'
diff --git a/server/controllers/api/users/my-video-playlists.ts b/server/controllers/api/users/my-video-playlists.ts
index 76e741ba5..f55ea2ec4 100644
--- a/server/controllers/api/users/my-video-playlists.ts
+++ b/server/controllers/api/users/my-video-playlists.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { VideosExistInPlaylists } from '../../../../shared/models/videos/playlist/video-exist-in-playlist.model'
 import { asyncMiddleware, authenticate } from '../../../middlewares'
 import { doVideosInPlaylistExistValidator } from '../../../middlewares/validators/videos/video-playlists'
diff --git a/server/controllers/api/users/token.ts b/server/controllers/api/users/token.ts
index b405ddbf4..d5dbe921c 100644
--- a/server/controllers/api/users/token.ts
+++ b/server/controllers/api/users/token.ts
@@ -1,5 +1,5 @@
-import * as express from 'express'
-import * as RateLimit from 'express-rate-limit'
+import express from 'express'
+import RateLimit from 'express-rate-limit'
 import { logger } from '@server/helpers/logger'
 import { buildUUID } from '@server/helpers/uuid'
 import { CONFIG } from '@server/initializers/config'
diff --git a/server/controllers/api/video-channel.ts b/server/controllers/api/video-channel.ts
index a0c6601d9..b79dc5933 100644
--- a/server/controllers/api/video-channel.ts
+++ b/server/controllers/api/video-channel.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { pickCommonVideoQuery } from '@server/helpers/query'
 import { Hooks } from '@server/lib/plugins/hooks'
 import { getServerActor } from '@server/models/application/application'
diff --git a/server/controllers/api/video-playlist.ts b/server/controllers/api/video-playlist.ts
index 4971d0a77..2f81cf43c 100644
--- a/server/controllers/api/video-playlist.ts
+++ b/server/controllers/api/video-playlist.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { join } from 'path'
 import { uuidToShort } from '@server/helpers/uuid'
 import { scheduleRefreshIfNeeded } from '@server/lib/activitypub/playlists'
diff --git a/server/controllers/api/videos/blacklist.ts b/server/controllers/api/videos/blacklist.ts
index 6bc768471..de65c74f1 100644
--- a/server/controllers/api/videos/blacklist.ts
+++ b/server/controllers/api/videos/blacklist.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { blacklistVideo, unblacklistVideo } from '@server/lib/video-blacklist'
 import { UserRight, VideoBlacklistCreate } from '../../../../shared'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
diff --git a/server/controllers/api/videos/captions.ts b/server/controllers/api/videos/captions.ts
index 4008de60f..2d2213327 100644
--- a/server/controllers/api/videos/captions.ts
+++ b/server/controllers/api/videos/captions.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { MVideoCaption } from '@server/types/models'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { moveAndProcessCaptionFile } from '../../../helpers/captions-utils'
diff --git a/server/controllers/api/videos/comment.ts b/server/controllers/api/videos/comment.ts
index cb696f652..23bba9089 100644
--- a/server/controllers/api/videos/comment.ts
+++ b/server/controllers/api/videos/comment.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { ResultList, ThreadsResultList, UserRight, VideoCommentCreate } from '../../../../shared/models'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { VideoCommentThreads } from '../../../../shared/models/videos/comment/video-comment.model'
diff --git a/server/controllers/api/videos/import.ts b/server/controllers/api/videos/import.ts
index de9a5308a..39fc57788 100644
--- a/server/controllers/api/videos/import.ts
+++ b/server/controllers/api/videos/import.ts
@@ -1,7 +1,7 @@
-import * as express from 'express'
+import express from 'express'
 import { move, readFile } from 'fs-extra'
-import * as magnetUtil from 'magnet-uri'
-import * as parseTorrent from 'parse-torrent'
+import { decode } from 'magnet-uri'
+import parseTorrent, { Instance } from 'parse-torrent'
 import { join } from 'path'
 import { ServerConfigManager } from '@server/lib/server-config-manager'
 import { setVideoTags } from '@server/lib/video'
@@ -329,7 +329,7 @@ async function processTorrentOrAbortRequest (req: express.Request, res: express.
   torrentfile.path = newTorrentPath
 
   const buf = await readFile(torrentfile.path)
-  const parsedTorrent = parseTorrent(buf) as parseTorrent.Instance
+  const parsedTorrent = parseTorrent(buf) as Instance
 
   if (parsedTorrent.files.length !== 1) {
     cleanUpReqFiles(req)
@@ -349,7 +349,7 @@ async function processTorrentOrAbortRequest (req: express.Request, res: express.
 
 function processMagnetURI (body: VideoImportCreate) {
   const magnetUri = body.magnetUri
-  const parsed = magnetUtil.decode(magnetUri)
+  const parsed = decode(magnetUri)
 
   return {
     name: extractNameFromArray(parsed.name),
diff --git a/server/controllers/api/videos/index.ts b/server/controllers/api/videos/index.ts
index 10833d48b..c0c77f3f7 100644
--- a/server/controllers/api/videos/index.ts
+++ b/server/controllers/api/videos/index.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import toInt from 'validator/lib/toInt'
 import { pickCommonVideoQuery } from '@server/helpers/query'
 import { doJSONRequest } from '@server/helpers/requests'
diff --git a/server/controllers/api/videos/live.ts b/server/controllers/api/videos/live.ts
index 151ff354b..efafe64e9 100644
--- a/server/controllers/api/videos/live.ts
+++ b/server/controllers/api/videos/live.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { createReqFiles } from '@server/helpers/express-utils'
 import { buildUUID, uuidToShort } from '@server/helpers/uuid'
 import { CONFIG } from '@server/initializers/config'
diff --git a/server/controllers/api/videos/ownership.ts b/server/controllers/api/videos/ownership.ts
index f48acbc68..043861ac3 100644
--- a/server/controllers/api/videos/ownership.ts
+++ b/server/controllers/api/videos/ownership.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { MVideoFullLight } from '@server/types/models'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { VideoChangeOwnershipStatus, VideoState } from '../../../../shared/models/videos'
diff --git a/server/controllers/api/videos/rate.ts b/server/controllers/api/videos/rate.ts
index 96f6cd886..c9cc16644 100644
--- a/server/controllers/api/videos/rate.ts
+++ b/server/controllers/api/videos/rate.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { UserVideoRateUpdate } from '../../../../shared'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { logger } from '../../../helpers/logger'
diff --git a/server/controllers/api/videos/update.ts b/server/controllers/api/videos/update.ts
index 49639060b..a98a3e67c 100644
--- a/server/controllers/api/videos/update.ts
+++ b/server/controllers/api/videos/update.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { Transaction } from 'sequelize/types'
 import { changeVideoChannelShare } from '@server/lib/activitypub/share'
 import { buildVideoThumbnailsFromReq, setVideoTags } from '@server/lib/video'
diff --git a/server/controllers/api/videos/upload.ts b/server/controllers/api/videos/upload.ts
index 5c740c041..7ffda749d 100644
--- a/server/controllers/api/videos/upload.ts
+++ b/server/controllers/api/videos/upload.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { move } from 'fs-extra'
 import { basename } from 'path'
 import { getLowercaseExtension } from '@server/helpers/core-utils'
diff --git a/server/controllers/api/videos/watching.ts b/server/controllers/api/videos/watching.ts
index 05c75e543..e8c28b613 100644
--- a/server/controllers/api/videos/watching.ts
+++ b/server/controllers/api/videos/watching.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { UserWatchingVideo } from '../../../../shared'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import {
diff --git a/server/controllers/bots.ts b/server/controllers/bots.ts
index de0411608..63db345bf 100644
--- a/server/controllers/bots.ts
+++ b/server/controllers/bots.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { truncate } from 'lodash'
 import { SitemapStream, streamToPromise } from 'sitemap'
 import { buildNSFWFilter } from '../helpers/express-utils'
diff --git a/server/controllers/client.ts b/server/controllers/client.ts
index ba3c54440..d81e35ec3 100644
--- a/server/controllers/client.ts
+++ b/server/controllers/client.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { constants, promises as fs } from 'fs'
 import { readFile } from 'fs-extra'
 import { join } from 'path'
diff --git a/server/controllers/download.ts b/server/controllers/download.ts
index ffe40d57e..8da710669 100644
--- a/server/controllers/download.ts
+++ b/server/controllers/download.ts
@@ -1,5 +1,5 @@
-import * as cors from 'cors'
-import * as express from 'express'
+import cors from 'cors'
+import express from 'express'
 import { logger } from '@server/helpers/logger'
 import { VideosTorrentCache } from '@server/lib/files-cache/videos-torrent-cache'
 import { Hooks } from '@server/lib/plugins/hooks'
diff --git a/server/controllers/feeds.ts b/server/controllers/feeds.ts
index 9fa70a7c8..5ac2e43a1 100644
--- a/server/controllers/feeds.ts
+++ b/server/controllers/feeds.ts
@@ -1,5 +1,5 @@
-import * as express from 'express'
-import * as Feed from 'pfeed'
+import express from 'express'
+import Feed from 'pfeed'
 import { getCategoryLabel } from '@server/models/video/formatter/video-format-utils'
 import { VideoFilter } from '../../shared/models/videos/video-query.type'
 import { buildNSFWFilter } from '../helpers/express-utils'
diff --git a/server/controllers/lazy-static.ts b/server/controllers/lazy-static.ts
index 632e4dcd8..a4076ee56 100644
--- a/server/controllers/lazy-static.ts
+++ b/server/controllers/lazy-static.ts
@@ -1,5 +1,5 @@
-import * as cors from 'cors'
-import * as express from 'express'
+import cors from 'cors'
+import express from 'express'
 import { VideosTorrentCache } from '@server/lib/files-cache/videos-torrent-cache'
 import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
 import { logger } from '../helpers/logger'
diff --git a/server/controllers/live.ts b/server/controllers/live.ts
index 95d5c0135..81008f120 100644
--- a/server/controllers/live.ts
+++ b/server/controllers/live.ts
@@ -1,5 +1,5 @@
-import * as cors from 'cors'
-import * as express from 'express'
+import cors from 'cors'
+import express from 'express'
 import { mapToJSON } from '@server/helpers/core-utils'
 import { LiveSegmentShaStore } from '@server/lib/live'
 import { HttpStatusCode } from '@shared/models'
diff --git a/server/controllers/plugins.ts b/server/controllers/plugins.ts
index 11ab3f10a..28fffc9e1 100644
--- a/server/controllers/plugins.ts
+++ b/server/controllers/plugins.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { join } from 'path'
 import { logger } from '@server/helpers/logger'
 import { optionalAuthenticate } from '@server/middlewares/auth'
diff --git a/server/controllers/services.ts b/server/controllers/services.ts
index 8c0af9ff7..8a8a95486 100644
--- a/server/controllers/services.ts
+++ b/server/controllers/services.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { EMBED_SIZE, PREVIEWS_SIZE, WEBSERVER, THUMBNAILS_SIZE } from '../initializers/constants'
 import { asyncMiddleware, oembedValidator } from '../middlewares'
 import { accountNameWithHostGetValidator } from '../middlewares/validators'
diff --git a/server/controllers/static.ts b/server/controllers/static.ts
index 912d7e36c..1c04e4b11 100644
--- a/server/controllers/static.ts
+++ b/server/controllers/static.ts
@@ -1,5 +1,5 @@
-import * as cors from 'cors'
-import * as express from 'express'
+import cors from 'cors'
+import express from 'express'
 import { join } from 'path'
 import { serveIndexHTML } from '@server/lib/client-html'
 import { ServerConfigManager } from '@server/lib/server-config-manager'
diff --git a/server/controllers/tracker.ts b/server/controllers/tracker.ts
index 37f8f12c9..da9c68c6c 100644
--- a/server/controllers/tracker.ts
+++ b/server/controllers/tracker.ts
@@ -1,7 +1,7 @@
-import * as bitTorrentTracker from 'bittorrent-tracker'
-import * as express from 'express'
-import * as http from 'http'
-import * as proxyAddr from 'proxy-addr'
+import { Server as TrackerServer } from 'bittorrent-tracker'
+import express from 'express'
+import { createServer } from 'http'
+import proxyAddr from 'proxy-addr'
 import { Server as WebSocketServer } from 'ws'
 import { Redis } from '@server/lib/redis'
 import { logger } from '../helpers/logger'
@@ -10,8 +10,6 @@ import { TRACKER_RATE_LIMITS } from '../initializers/constants'
 import { VideoFileModel } from '../models/video/video-file'
 import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
 
-const TrackerServer = bitTorrentTracker.Server
-
 const trackerRouter = express.Router()
 
 let peersIps = {}
@@ -86,7 +84,7 @@ trackerRouter.get('/tracker/announce', (req, res) => onHttpRequest(req, res, { a
 trackerRouter.get('/tracker/scrape', (req, res) => onHttpRequest(req, res, { action: 'scrape' }))
 
 function createWebsocketTrackerServer (app: express.Application) {
-  const server = http.createServer(app)
+  const server = createServer(app)
   const wss = new WebSocketServer({ noServer: true })
 
   wss.on('connection', function (ws, req) {
diff --git a/server/controllers/webfinger.ts b/server/controllers/webfinger.ts
index 885e4498f..29ce01166 100644
--- a/server/controllers/webfinger.ts
+++ b/server/controllers/webfinger.ts
@@ -1,5 +1,5 @@
-import * as cors from 'cors'
-import * as express from 'express'
+import cors from 'cors'
+import express from 'express'
 import { WEBSERVER } from '@server/initializers/constants'
 import { asyncMiddleware } from '../middlewares'
 import { webfingerValidator } from '../middlewares/validators'
diff --git a/server/helpers/activitypub.ts b/server/helpers/activitypub.ts
index e0754b501..8b56d2d50 100644
--- a/server/helpers/activitypub.ts
+++ b/server/helpers/activitypub.ts
@@ -1,4 +1,4 @@
-import * as Bluebird from 'bluebird'
+import Bluebird from 'bluebird'
 import { URL } from 'url'
 import validator from 'validator'
 import { ContextType } from '@shared/models/activitypub/context'
diff --git a/server/helpers/audit-logger.ts b/server/helpers/audit-logger.ts
index 884bd187d..5f2e870e3 100644
--- a/server/helpers/audit-logger.ts
+++ b/server/helpers/audit-logger.ts
@@ -1,9 +1,9 @@
 import { diff } from 'deep-object-diff'
-import * as express from 'express'
-import * as flatten from 'flat'
+import express from 'express'
+import flatten from 'flat'
 import { chain } from 'lodash'
-import * as path from 'path'
-import * as winston from 'winston'
+import { join } from 'path'
+import { addColors, config, createLogger, format, transports } from 'winston'
 import { AUDIT_LOG_FILENAME } from '@server/initializers/constants'
 import { AdminAbuse, User, VideoChannel, VideoDetails, VideoImport } from '../../shared'
 import { CustomConfig } from '../../shared/models/server/custom-config.model'
@@ -21,23 +21,23 @@ enum AUDIT_TYPE {
   DELETE = 'delete'
 }
 
-const colors = winston.config.npm.colors
-colors.audit = winston.config.npm.colors.info
+const colors = config.npm.colors
+colors.audit = config.npm.colors.info
 
-winston.addColors(colors)
+addColors(colors)
 
-const auditLogger = winston.createLogger({
+const auditLogger = createLogger({
   levels: { audit: 0 },
   transports: [
-    new winston.transports.File({
-      filename: path.join(CONFIG.STORAGE.LOG_DIR, AUDIT_LOG_FILENAME),
+    new transports.File({
+      filename: join(CONFIG.STORAGE.LOG_DIR, AUDIT_LOG_FILENAME),
       level: 'audit',
       maxsize: 5242880,
       maxFiles: 5,
-      format: winston.format.combine(
-        winston.format.timestamp(),
+      format: format.combine(
+        format.timestamp(),
         labelFormatter(),
-        winston.format.splat(),
+        format.splat(),
         jsonLoggerFormat
       )
     })
@@ -84,9 +84,9 @@ abstract class EntityAuditView {
   constructor (private readonly keysToKeep: string[], private readonly prefix: string, private readonly entityInfos: object) { }
 
   toLogKeys (): object {
-    return chain(flatten(this.entityInfos, { delimiter: '-', safe: true }))
+    return chain(flatten<object, any>(this.entityInfos, { delimiter: '-', safe: true }))
       .pick(this.keysToKeep)
-      .mapKeys((value, key) => `${this.prefix}-${key}`)
+      .mapKeys((_value, key) => `${this.prefix}-${key}`)
       .value()
   }
 }
diff --git a/server/helpers/captions-utils.ts b/server/helpers/captions-utils.ts
index ca03f7a49..f6e5b9784 100644
--- a/server/helpers/captions-utils.ts
+++ b/server/helpers/captions-utils.ts
@@ -1,10 +1,10 @@
 import { createReadStream, createWriteStream, move, remove } from 'fs-extra'
 import { join } from 'path'
-import * as srt2vtt from 'srt-to-vtt'
+import srt2vtt from 'srt-to-vtt'
+import { Transform } from 'stream'
 import { MVideoCaption } from '@server/types/models'
 import { CONFIG } from '../initializers/config'
 import { pipelinePromise } from './core-utils'
-import { Transform } from 'stream'
 
 async function moveAndProcessCaptionFile (physicalFile: { filename: string, path: string }, videoCaption: MVideoCaption) {
   const videoCaptionsDir = CONFIG.STORAGE.CAPTIONS_DIR
diff --git a/server/helpers/core-utils.ts b/server/helpers/core-utils.ts
index 9abc532d2..7f28cfc8b 100644
--- a/server/helpers/core-utils.ts
+++ b/server/helpers/core-utils.ts
@@ -9,7 +9,7 @@ import { exec, ExecOptions } from 'child_process'
 import { BinaryToTextEncoding, createHash, randomBytes } from 'crypto'
 import { truncate } from 'lodash'
 import { basename, extname, isAbsolute, join, resolve } from 'path'
-import * as pem from 'pem'
+import { createPrivateKey as createPrivateKey_1, getPublicKey as getPublicKey_1 } from 'pem'
 import { pipeline } from 'stream'
 import { URL } from 'url'
 import { promisify } from 'util'
@@ -281,8 +281,8 @@ function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A)
 }
 
 const randomBytesPromise = promisify1<number, Buffer>(randomBytes)
-const createPrivateKey = promisify1<number, { key: string }>(pem.createPrivateKey)
-const getPublicKey = promisify1<string, { publicKey: string }>(pem.getPublicKey)
+const createPrivateKey = promisify1<number, { key: string }>(createPrivateKey_1)
+const getPublicKey = promisify1<string, { publicKey: string }>(getPublicKey_1)
 const execPromise2 = promisify2<string, any, string>(exec)
 const execPromise = promisify1<string, string>(exec)
 const pipelinePromise = promisify(pipeline)
diff --git a/server/helpers/custom-jsonld-signature.ts b/server/helpers/custom-jsonld-signature.ts
index 56f10086c..3c706e372 100644
--- a/server/helpers/custom-jsonld-signature.ts
+++ b/server/helpers/custom-jsonld-signature.ts
@@ -1,7 +1,8 @@
-import * as AsyncLRU from 'async-lru'
-import * as jsonld from 'jsonld'
+import AsyncLRU from 'async-lru'
 import { logger } from './logger'
 
+import jsonld = require('jsonld')
+
 const CACHE = {
   'https://w3id.org/security/v1': {
     '@context': {
diff --git a/server/helpers/custom-validators/videos.ts b/server/helpers/custom-validators/videos.ts
index b33e088eb..c3604fbad 100644
--- a/server/helpers/custom-validators/videos.ts
+++ b/server/helpers/custom-validators/videos.ts
@@ -1,6 +1,6 @@
 import { UploadFilesForCheck } from 'express'
 import { values } from 'lodash'
-import * as magnetUtil from 'magnet-uri'
+import magnetUtil from 'magnet-uri'
 import validator from 'validator'
 import { VideoFilter, VideoPrivacy, VideoRateType } from '../../../shared'
 import {
diff --git a/server/helpers/database-utils.ts b/server/helpers/database-utils.ts
index ec35295df..aedcc5e64 100644
--- a/server/helpers/database-utils.ts
+++ b/server/helpers/database-utils.ts
@@ -1,5 +1,5 @@
-import * as retry from 'async/retry'
-import * as Bluebird from 'bluebird'
+import retry from 'async/retry'
+import Bluebird from 'bluebird'
 import { Transaction } from 'sequelize'
 import { Model } from 'sequelize-typescript'
 import { sequelizeTypescript } from '@server/initializers/database'
diff --git a/server/helpers/express-utils.ts b/server/helpers/express-utils.ts
index c299b70f1..38fe6926b 100644
--- a/server/helpers/express-utils.ts
+++ b/server/helpers/express-utils.ts
@@ -1,5 +1,5 @@
-import * as express from 'express'
-import * as multer from 'multer'
+import express from 'express'
+import multer, { diskStorage } from 'multer'
 import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
 import { CONFIG } from '../initializers/config'
 import { REMOTE_SCHEME } from '../initializers/constants'
@@ -70,7 +70,7 @@ function createReqFiles (
   mimeTypes: { [id: string]: string | string[] },
   destinations: { [fieldName: string]: string }
 ) {
-  const storage = multer.diskStorage({
+  const storage = diskStorage({
     destination: (req, file, cb) => {
       cb(null, destinations[file.fieldname])
     },
diff --git a/server/helpers/ffmpeg-utils.ts b/server/helpers/ffmpeg-utils.ts
index a99c9ee7c..54fd031b7 100644
--- a/server/helpers/ffmpeg-utils.ts
+++ b/server/helpers/ffmpeg-utils.ts
@@ -1,5 +1,5 @@
 import { Job } from 'bull'
-import * as ffmpeg from 'fluent-ffmpeg'
+import ffmpeg, { FfmpegCommand, FilterSpecification, getAvailableEncoders } from 'fluent-ffmpeg'
 import { readFile, remove, writeFile } from 'fs-extra'
 import { dirname, join } from 'path'
 import { FFMPEG_NICE, VIDEO_LIVE } from '@server/initializers/constants'
@@ -42,7 +42,7 @@ async function checkFFmpegEncoders (peertubeAvailableEncoders: AvailableEncoders
     return supportedEncoders
   }
 
-  const getAvailableEncodersPromise = promisify0(ffmpeg.getAvailableEncoders)
+  const getAvailableEncodersPromise = promisify0(getAvailableEncoders)
   const availableFFmpegEncoders = await getAvailableEncodersPromise()
 
   const searchEncoders = new Set<string>()
@@ -191,7 +191,7 @@ type TranscodeOptions =
   | QuickTranscodeOptions
 
 const builders: {
-  [ type in TranscodeOptionsType ]: (c: ffmpeg.FfmpegCommand, o?: TranscodeOptions) => Promise<ffmpeg.FfmpegCommand> | ffmpeg.FfmpegCommand
+  [ type in TranscodeOptionsType ]: (c: FfmpegCommand, o?: TranscodeOptions) => Promise<FfmpegCommand> | FfmpegCommand
 } = {
   'quick-transcode': buildQuickTranscodeCommand,
   'hls': buildHLSVODCommand,
@@ -241,7 +241,7 @@ async function getLiveTranscodingCommand (options: {
 
   const varStreamMap: string[] = []
 
-  const complexFilter: ffmpeg.FilterSpecification[] = [
+  const complexFilter: FilterSpecification[] = [
     {
       inputs: '[v:0]',
       filter: 'split',
@@ -353,7 +353,7 @@ function buildStreamSuffix (base: string, streamNum?: number) {
 // ---------------------------------------------------------------------------
 
 function addDefaultEncoderGlobalParams (options: {
-  command: ffmpeg.FfmpegCommand
+  command: FfmpegCommand
 }) {
   const { command } = options
 
@@ -370,7 +370,7 @@ function addDefaultEncoderGlobalParams (options: {
 }
 
 function addDefaultEncoderParams (options: {
-  command: ffmpeg.FfmpegCommand
+  command: FfmpegCommand
   encoder: 'libx264' | string
   streamNum?: number
   fps?: number
@@ -390,7 +390,7 @@ function addDefaultEncoderParams (options: {
   }
 }
 
-function addDefaultLiveHLSParams (command: ffmpeg.FfmpegCommand, outPath: string, masterPlaylistName: string) {
+function addDefaultLiveHLSParams (command: FfmpegCommand, outPath: string, masterPlaylistName: string) {
   command.outputOption('-hls_time ' + VIDEO_LIVE.SEGMENT_TIME_SECONDS)
   command.outputOption('-hls_list_size ' + VIDEO_LIVE.SEGMENTS_LIST_SIZE)
   command.outputOption('-hls_flags delete_segments+independent_segments')
@@ -405,7 +405,7 @@ function addDefaultLiveHLSParams (command: ffmpeg.FfmpegCommand, outPath: string
 // Transcode VOD command builders
 // ---------------------------------------------------------------------------
 
-async function buildx264VODCommand (command: ffmpeg.FfmpegCommand, options: TranscodeOptions) {
+async function buildx264VODCommand (command: FfmpegCommand, options: TranscodeOptions) {
   let fps = await getVideoFileFPS(options.inputPath)
   fps = computeFPS(fps, options.resolution)
 
@@ -422,7 +422,7 @@ async function buildx264VODCommand (command: ffmpeg.FfmpegCommand, options: Tran
   return command
 }
 
-async function buildAudioMergeCommand (command: ffmpeg.FfmpegCommand, options: MergeAudioTranscodeOptions) {
+async function buildAudioMergeCommand (command: FfmpegCommand, options: MergeAudioTranscodeOptions) {
   command = command.loop(undefined)
 
   const scaleFilterValue = getScaleCleanerValue()
@@ -437,13 +437,13 @@ async function buildAudioMergeCommand (command: ffmpeg.FfmpegCommand, options: M
   return command
 }
 
-function buildOnlyAudioCommand (command: ffmpeg.FfmpegCommand, _options: OnlyAudioTranscodeOptions) {
+function buildOnlyAudioCommand (command: FfmpegCommand, _options: OnlyAudioTranscodeOptions) {
   command = presetOnlyAudio(command)
 
   return command
 }
 
-function buildQuickTranscodeCommand (command: ffmpeg.FfmpegCommand) {
+function buildQuickTranscodeCommand (command: FfmpegCommand) {
   command = presetCopy(command)
 
   command = command.outputOption('-map_metadata -1') // strip all metadata
@@ -452,7 +452,7 @@ function buildQuickTranscodeCommand (command: ffmpeg.FfmpegCommand) {
   return command
 }
 
-function addCommonHLSVODCommandOptions (command: ffmpeg.FfmpegCommand, outputPath: string) {
+function addCommonHLSVODCommandOptions (command: FfmpegCommand, outputPath: string) {
   return command.outputOption('-hls_time 4')
                 .outputOption('-hls_list_size 0')
                 .outputOption('-hls_playlist_type vod')
@@ -462,7 +462,7 @@ function addCommonHLSVODCommandOptions (command: ffmpeg.FfmpegCommand, outputPat
                 .outputOption('-hls_flags single_file')
 }
 
-async function buildHLSVODCommand (command: ffmpeg.FfmpegCommand, options: HLSTranscodeOptions) {
+async function buildHLSVODCommand (command: FfmpegCommand, options: HLSTranscodeOptions) {
   const videoPath = getHLSVideoPath(options)
 
   if (options.copyCodecs) command = presetCopy(command)
@@ -474,7 +474,7 @@ async function buildHLSVODCommand (command: ffmpeg.FfmpegCommand, options: HLSTr
   return command
 }
 
-function buildHLSVODFromTSCommand (command: ffmpeg.FfmpegCommand, options: HLSFromTSTranscodeOptions) {
+function buildHLSVODFromTSCommand (command: FfmpegCommand, options: HLSFromTSTranscodeOptions) {
   const videoPath = getHLSVideoPath(options)
 
   command.outputOption('-c copy')
@@ -571,7 +571,7 @@ async function getEncoderBuilderResult (options: EncoderOptionsBuilderParams & {
 }
 
 async function presetVideo (options: {
-  command: ffmpeg.FfmpegCommand
+  command: FfmpegCommand
   input: string
   transcodeOptions: TranscodeOptions
   fps?: number
@@ -640,21 +640,21 @@ async function presetVideo (options: {
   return localCommand
 }
 
-function presetCopy (command: ffmpeg.FfmpegCommand): ffmpeg.FfmpegCommand {
+function presetCopy (command: FfmpegCommand): FfmpegCommand {
   return command
     .format('mp4')
     .videoCodec('copy')
     .audioCodec('copy')
 }
 
-function presetOnlyAudio (command: ffmpeg.FfmpegCommand): ffmpeg.FfmpegCommand {
+function presetOnlyAudio (command: FfmpegCommand): FfmpegCommand {
   return command
     .format('mp4')
     .audioCodec('copy')
     .noVideo()
 }
 
-function applyEncoderOptions (command: ffmpeg.FfmpegCommand, options: EncoderOptions): ffmpeg.FfmpegCommand {
+function applyEncoderOptions (command: FfmpegCommand, options: EncoderOptions): FfmpegCommand {
   return command
     .inputOptions(options.inputOptions ?? [])
     .outputOptions(options.outputOptions ?? [])
@@ -714,7 +714,7 @@ function getFFmpegVersion () {
 }
 
 async function runCommand (options: {
-  command: ffmpeg.FfmpegCommand
+  command: FfmpegCommand
   silent?: boolean // false
   job?: Job
 }) {
diff --git a/server/helpers/ffprobe-utils.ts b/server/helpers/ffprobe-utils.ts
index e58444b07..8381dee84 100644
--- a/server/helpers/ffprobe-utils.ts
+++ b/server/helpers/ffprobe-utils.ts
@@ -1,4 +1,4 @@
-import * as ffmpeg from 'fluent-ffmpeg'
+import { ffprobe, FfprobeData } from 'fluent-ffmpeg'
 import { getMaxBitrate } from '@shared/core-utils'
 import { VideoFileMetadata, VideoResolution, VideoTranscodingFPS } from '../../shared/models/videos'
 import { CONFIG } from '../initializers/config'
@@ -12,8 +12,8 @@ import { logger } from './logger'
  */
 
 function ffprobePromise (path: string) {
-  return new Promise<ffmpeg.FfprobeData>((res, rej) => {
-    ffmpeg.ffprobe(path, (err, data) => {
+  return new Promise<FfprobeData>((res, rej) => {
+    ffprobe(path, (err, data) => {
       if (err) return rej(err)
 
       return res(data)
@@ -21,7 +21,7 @@ function ffprobePromise (path: string) {
   })
 }
 
-async function getAudioStream (videoPath: string, existingProbe?: ffmpeg.FfprobeData) {
+async function getAudioStream (videoPath: string, existingProbe?: FfprobeData) {
   // without position, ffprobe considers the last input only
   // we make it consider the first input only
   // if you pass a file path to pos, then ffprobe acts on that file directly
@@ -76,7 +76,7 @@ function getMaxAudioBitrate (type: 'aac' | 'mp3' | string, bitrate: number) {
   }
 }
 
-async function getVideoStreamSize (path: string, existingProbe?: ffmpeg.FfprobeData): Promise<{ width: number, height: number }> {
+async function getVideoStreamSize (path: string, existingProbe?: FfprobeData): Promise<{ width: number, height: number }> {
   const videoStream = await getVideoStreamFromFile(path, existingProbe)
 
   return videoStream === null
@@ -127,7 +127,7 @@ async function getVideoStreamCodec (path: string) {
   return `${videoCodec}.${baseProfile}${level}`
 }
 
-async function getAudioStreamCodec (path: string, existingProbe?: ffmpeg.FfprobeData) {
+async function getAudioStreamCodec (path: string, existingProbe?: FfprobeData) {
   const { audioStream } = await getAudioStream(path, existingProbe)
 
   if (!audioStream) return ''
@@ -143,7 +143,7 @@ async function getAudioStreamCodec (path: string, existingProbe?: ffmpeg.Ffprobe
   return 'mp4a.40.2' // Fallback
 }
 
-async function getVideoFileResolution (path: string, existingProbe?: ffmpeg.FfprobeData) {
+async function getVideoFileResolution (path: string, existingProbe?: FfprobeData) {
   const size = await getVideoStreamSize(path, existingProbe)
 
   return {
@@ -155,7 +155,7 @@ async function getVideoFileResolution (path: string, existingProbe?: ffmpeg.Ffpr
   }
 }
 
-async function getVideoFileFPS (path: string, existingProbe?: ffmpeg.FfprobeData) {
+async function getVideoFileFPS (path: string, existingProbe?: FfprobeData) {
   const videoStream = await getVideoStreamFromFile(path, existingProbe)
   if (videoStream === null) return 0
 
@@ -173,13 +173,13 @@ async function getVideoFileFPS (path: string, existingProbe?: ffmpeg.FfprobeData
   return 0
 }
 
-async function getMetadataFromFile (path: string, existingProbe?: ffmpeg.FfprobeData) {
+async function getMetadataFromFile (path: string, existingProbe?: FfprobeData) {
   const metadata = existingProbe || await ffprobePromise(path)
 
   return new VideoFileMetadata(metadata)
 }
 
-async function getVideoFileBitrate (path: string, existingProbe?: ffmpeg.FfprobeData): Promise<number> {
+async function getVideoFileBitrate (path: string, existingProbe?: FfprobeData): Promise<number> {
   const metadata = await getMetadataFromFile(path, existingProbe)
 
   let bitrate = metadata.format.bit_rate as number
@@ -194,13 +194,13 @@ async function getVideoFileBitrate (path: string, existingProbe?: ffmpeg.Ffprobe
   return undefined
 }
 
-async function getDurationFromVideoFile (path: string, existingProbe?: ffmpeg.FfprobeData) {
+async function getDurationFromVideoFile (path: string, existingProbe?: FfprobeData) {
   const metadata = await getMetadataFromFile(path, existingProbe)
 
   return Math.round(metadata.format.duration)
 }
 
-async function getVideoStreamFromFile (path: string, existingProbe?: ffmpeg.FfprobeData) {
+async function getVideoStreamFromFile (path: string, existingProbe?: FfprobeData) {
   const metadata = await getMetadataFromFile(path, existingProbe)
 
   return metadata.streams.find(s => s.codec_type === 'video') || null
@@ -243,7 +243,7 @@ async function canDoQuickTranscode (path: string): Promise<boolean> {
          await canDoQuickAudioTranscode(path, probe)
 }
 
-async function canDoQuickVideoTranscode (path: string, probe?: ffmpeg.FfprobeData): Promise<boolean> {
+async function canDoQuickVideoTranscode (path: string, probe?: FfprobeData): Promise<boolean> {
   const videoStream = await getVideoStreamFromFile(path, probe)
   const fps = await getVideoFileFPS(path, probe)
   const bitRate = await getVideoFileBitrate(path, probe)
@@ -262,7 +262,7 @@ async function canDoQuickVideoTranscode (path: string, probe?: ffmpeg.FfprobeDat
   return true
 }
 
-async function canDoQuickAudioTranscode (path: string, probe?: ffmpeg.FfprobeData): Promise<boolean> {
+async function canDoQuickAudioTranscode (path: string, probe?: FfprobeData): Promise<boolean> {
   const parsedAudio = await getAudioStream(path, probe)
 
   if (!parsedAudio.audioStream) return true
diff --git a/server/helpers/image-utils.ts b/server/helpers/image-utils.ts
index c76ed545b..033be2c50 100644
--- a/server/helpers/image-utils.ts
+++ b/server/helpers/image-utils.ts
@@ -1,5 +1,5 @@
 import { copy, readFile, remove, rename } from 'fs-extra'
-import * as Jimp from 'jimp'
+import Jimp, { read } from 'jimp'
 import { getLowercaseExtension } from './core-utils'
 import { convertWebPToJPG, processGIF } from './ffmpeg-utils'
 import { logger } from './logger'
@@ -47,7 +47,7 @@ async function jimpProcessor (path: string, destination: string, newSize: { widt
   const inputBuffer = await readFile(path)
 
   try {
-    jimpInstance = await Jimp.read(inputBuffer)
+    jimpInstance = await read(inputBuffer)
   } catch (err) {
     logger.debug('Cannot read %s with jimp. Try to convert the image using ffmpeg first.', path, { err })
 
@@ -55,7 +55,7 @@ async function jimpProcessor (path: string, destination: string, newSize: { widt
     await convertWebPToJPG(path, newName)
     await rename(newName, path)
 
-    jimpInstance = await Jimp.read(path)
+    jimpInstance = await read(path)
   }
 
   await remove(destination)
diff --git a/server/helpers/logger.ts b/server/helpers/logger.ts
index 20c3c3edb..4bd00e503 100644
--- a/server/helpers/logger.ts
+++ b/server/helpers/logger.ts
@@ -1,9 +1,9 @@
 // Thanks http://tostring.it/2014/06/23/advanced-logging-with-nodejs/
 import { mkdirpSync, stat } from 'fs-extra'
 import { omit } from 'lodash'
-import * as path from 'path'
+import { join } from 'path'
 import { format as sqlFormat } from 'sql-formatter'
-import * as winston from 'winston'
+import { createLogger, format, transports } from 'winston'
 import { FileTransportOptions } from 'winston/lib/winston/transports'
 import { CONFIG } from '../initializers/config'
 import { LOG_FILENAME } from '../initializers/constants'
@@ -47,7 +47,7 @@ function getLoggerReplacer () {
   }
 }
 
-const consoleLoggerFormat = winston.format.printf(info => {
+const consoleLoggerFormat = format.printf(info => {
   const toOmit = [ 'label', 'timestamp', 'level', 'message', 'sql', 'tags' ]
 
   const obj = omit(info, ...toOmit)
@@ -71,24 +71,24 @@ const consoleLoggerFormat = winston.format.printf(info => {
   return `[${info.label}] ${info.timestamp} ${info.level}: ${info.message}${additionalInfos}`
 })
 
-const jsonLoggerFormat = winston.format.printf(info => {
+const jsonLoggerFormat = format.printf(info => {
   return JSON.stringify(info, getLoggerReplacer())
 })
 
-const timestampFormatter = winston.format.timestamp({
+const timestampFormatter = format.timestamp({
   format: 'YYYY-MM-DD HH:mm:ss.SSS'
 })
 const labelFormatter = (suffix?: string) => {
-  return winston.format.label({
+  return format.label({
     label: suffix ? `${label} ${suffix}` : label
   })
 }
 
 const fileLoggerOptions: FileTransportOptions = {
-  filename: path.join(CONFIG.STORAGE.LOG_DIR, LOG_FILENAME),
+  filename: join(CONFIG.STORAGE.LOG_DIR, LOG_FILENAME),
   handleExceptions: true,
-  format: winston.format.combine(
-    winston.format.timestamp(),
+  format: format.combine(
+    format.timestamp(),
     jsonLoggerFormat
   )
 }
@@ -101,19 +101,19 @@ if (CONFIG.LOG.ROTATION.ENABLED) {
 const logger = buildLogger()
 
 function buildLogger (labelSuffix?: string) {
-  return winston.createLogger({
+  return createLogger({
     level: CONFIG.LOG.LEVEL,
-    format: winston.format.combine(
+    format: format.combine(
       labelFormatter(labelSuffix),
-      winston.format.splat()
+      format.splat()
     ),
     transports: [
-      new winston.transports.File(fileLoggerOptions),
-      new winston.transports.Console({
+      new transports.File(fileLoggerOptions),
+      new transports.Console({
         handleExceptions: true,
-        format: winston.format.combine(
+        format: format.combine(
           timestampFormatter,
-          winston.format.colorize(),
+          format.colorize(),
           consoleLoggerFormat
         )
       })
diff --git a/server/helpers/peertube-crypto.ts b/server/helpers/peertube-crypto.ts
index bc6f1d074..66060bde2 100644
--- a/server/helpers/peertube-crypto.ts
+++ b/server/helpers/peertube-crypto.ts
@@ -1,16 +1,16 @@
+import { compare, genSalt, hash } from 'bcrypt'
+import { createSign, createVerify } from 'crypto'
 import { Request } from 'express'
+import { cloneDeep } from 'lodash'
 import { BCRYPT_SALT_SIZE, HTTP_SIGNATURE, PRIVATE_RSA_KEY_SIZE } from '../initializers/constants'
+import { MActor } from '../types/models'
 import { createPrivateKey, getPublicKey, promisify1, promisify2, sha256 } from './core-utils'
 import { jsonld } from './custom-jsonld-signature'
 import { logger } from './logger'
-import { cloneDeep } from 'lodash'
-import { createSign, createVerify } from 'crypto'
-import * as bcrypt from 'bcrypt'
-import { MActor } from '../types/models'
 
-const bcryptComparePromise = promisify2<any, string, boolean>(bcrypt.compare)
-const bcryptGenSaltPromise = promisify1<number, string>(bcrypt.genSalt)
-const bcryptHashPromise = promisify2<any, string | number, string>(bcrypt.hash)
+const bcryptComparePromise = promisify2<any, string, boolean>(compare)
+const bcryptGenSaltPromise = promisify1<number, string>(genSalt)
+const bcryptHashPromise = promisify2<any, string | number, string>(hash)
 
 const httpSignature = require('http-signature')
 
@@ -129,7 +129,7 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function hash (obj: any): Promise<any> {
+function hashObject (obj: any): Promise<any> {
   return jsonld.promises
                .normalize(obj, {
                  algorithm: 'URDNA2015',
@@ -151,12 +151,12 @@ function createSignatureHash (signature: any) {
   delete signatureCopy.id
   delete signatureCopy.signatureValue
 
-  return hash(signatureCopy)
+  return hashObject(signatureCopy)
 }
 
 function createDocWithoutSignatureHash (doc: any) {
   const docWithoutSignature = cloneDeep(doc)
   delete docWithoutSignature.signature
 
-  return hash(docWithoutSignature)
+  return hashObject(docWithoutSignature)
 }
diff --git a/server/helpers/uuid.ts b/server/helpers/uuid.ts
index 3eb06c773..f3c80e046 100644
--- a/server/helpers/uuid.ts
+++ b/server/helpers/uuid.ts
@@ -1,9 +1,9 @@
-import * as short from 'short-uuid'
+import short, { uuid } from 'short-uuid'
 
 const translator = short()
 
 function buildUUID () {
-  return short.uuid()
+  return uuid()
 }
 
 function uuidToShort (uuid: string) {
diff --git a/server/helpers/webtorrent.ts b/server/helpers/webtorrent.ts
index 813ebc236..83b46e085 100644
--- a/server/helpers/webtorrent.ts
+++ b/server/helpers/webtorrent.ts
@@ -1,10 +1,11 @@
-import * as bencode from 'bencode'
-import * as createTorrent from 'create-torrent'
+import { decode, encode } from 'bencode'
+import createTorrent from 'create-torrent'
 import { createWriteStream, ensureDir, readFile, remove, writeFile } from 'fs-extra'
-import * as magnetUtil from 'magnet-uri'
-import * as parseTorrent from 'parse-torrent'
+import magnetUtil from 'magnet-uri'
+import parseTorrent from 'parse-torrent'
 import { dirname, join } from 'path'
-import * as WebTorrent from 'webtorrent'
+import { pipeline } from 'stream'
+import WebTorrent, { Instance, TorrentFile } from 'webtorrent'
 import { isArray } from '@server/helpers/custom-validators/misc'
 import { WEBSERVER } from '@server/initializers/constants'
 import { generateTorrentFileName } from '@server/lib/paths'
@@ -17,7 +18,6 @@ import { promisify2 } from './core-utils'
 import { logger } from './logger'
 import { generateVideoImportTmpPath } from './utils'
 import { extractVideo } from './video'
-import { pipeline } from 'stream'
 
 const createTorrentPromise = promisify2<string, any, any>(createTorrent)
 
@@ -33,7 +33,7 @@ async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName
 
   return new Promise<string>((res, rej) => {
     const webtorrent = new WebTorrent()
-    let file: WebTorrent.TorrentFile
+    let file: TorrentFile
 
     const torrentId = target.magnetUri || join(CONFIG.STORAGE.TORRENTS_DIR, target.torrentName)
 
@@ -126,7 +126,7 @@ async function updateTorrentUrls (videoOrPlaylist: MVideo | MStreamingPlaylistVi
   const oldTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)
 
   const torrentContent = await readFile(oldTorrentPath)
-  const decoded = bencode.decode(torrentContent)
+  const decoded = decode(torrentContent)
 
   decoded['announce-list'] = buildAnnounceList()
   decoded.announce = decoded['announce-list'][0][0]
@@ -138,7 +138,7 @@ async function updateTorrentUrls (videoOrPlaylist: MVideo | MStreamingPlaylistVi
 
   logger.info('Updating torrent URLs %s -> %s.', oldTorrentPath, newTorrentPath)
 
-  await writeFile(newTorrentPath, bencode.encode(decoded))
+  await writeFile(newTorrentPath, encode(decoded))
   await remove(join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename))
 
   videoFile.torrentFilename = newTorrentFilename
@@ -180,7 +180,7 @@ export {
 // ---------------------------------------------------------------------------
 
 function safeWebtorrentDestroy (
-  webtorrent: WebTorrent.Instance,
+  webtorrent: Instance,
   torrentId: string,
   downloadedFile?: { directoryPath: string, filepath: string },
   torrentName?: string
diff --git a/server/initializers/checker-after-init.ts b/server/initializers/checker-after-init.ts
index 09f587274..c0a6c41ab 100644
--- a/server/initializers/checker-after-init.ts
+++ b/server/initializers/checker-after-init.ts
@@ -1,4 +1,4 @@
-import * as config from 'config'
+import { util, has, get } from 'config'
 import { uniq } from 'lodash'
 import { URL } from 'url'
 import { getFFmpegVersion } from '@server/helpers/ffmpeg-utils'
@@ -18,8 +18,8 @@ async function checkActivityPubUrls () {
 
   const parsed = new URL(actor.url)
   if (WEBSERVER.HOST !== parsed.host) {
-    const NODE_ENV = config.util.getEnv('NODE_ENV')
-    const NODE_CONFIG_DIR = config.util.getEnv('NODE_CONFIG_DIR')
+    const NODE_ENV = util.getEnv('NODE_ENV')
+    const NODE_CONFIG_DIR = util.getEnv('NODE_CONFIG_DIR')
 
     logger.warn(
       'It seems PeerTube was started (and created some data) with another domain name. ' +
@@ -36,7 +36,7 @@ async function checkActivityPubUrls () {
 function checkConfig () {
 
   // Moved configuration keys
-  if (config.has('services.csp-logger')) {
+  if (has('services.csp-logger')) {
     logger.warn('services.csp-logger configuration has been renamed to csp.report_uri. Please update your configuration file.')
   }
 
@@ -97,7 +97,7 @@ function checkConfig () {
 
   // Check storage directory locations
   if (isProdInstance()) {
-    const configStorage = config.get('storage')
+    const configStorage = get('storage')
     for (const key of Object.keys(configStorage)) {
       if (configStorage[key].startsWith('storage/')) {
         logger.warn(
diff --git a/server/initializers/checker-before-init.ts b/server/initializers/checker-before-init.ts
index 93c019121..16dc137c0 100644
--- a/server/initializers/checker-before-init.ts
+++ b/server/initializers/checker-before-init.ts
@@ -1,7 +1,10 @@
-import * as config from 'config'
+import { IConfig } from 'config'
 import { parseSemVersion, promisify0 } from '../helpers/core-utils'
 import { logger } from '../helpers/logger'
 
+// Special behaviour for config because we can reload it
+const config: IConfig = require('config')
+
 // ONLY USE CORE MODULES IN THIS FILE!
 
 // Check the config files
diff --git a/server/initializers/config.ts b/server/initializers/config.ts
index 0e684eef8..be9fc61f0 100644
--- a/server/initializers/config.ts
+++ b/server/initializers/config.ts
@@ -1,4 +1,4 @@
-import * as bytes from 'bytes'
+import bytes from 'bytes'
 import { IConfig } from 'config'
 import decache from 'decache'
 import { dirname, join } from 'path'
diff --git a/server/initializers/installer.ts b/server/initializers/installer.ts
index 676f88653..75daeb5d8 100644
--- a/server/initializers/installer.ts
+++ b/server/initializers/installer.ts
@@ -1,15 +1,15 @@
-import * as passwordGenerator from 'password-generator'
+import { ensureDir, remove } from 'fs-extra'
+import passwordGenerator from 'password-generator'
 import { UserRole } from '../../shared'
 import { logger } from '../helpers/logger'
 import { createApplicationActor, createUserAccountAndChannelAndPlaylist } from '../lib/user'
-import { UserModel } from '../models/user/user'
 import { ApplicationModel } from '../models/application/application'
 import { OAuthClientModel } from '../models/oauth/oauth-client'
+import { UserModel } from '../models/user/user'
 import { applicationExist, clientsExist, usersExist } from './checker-after-init'
+import { CONFIG } from './config'
 import { FILES_CACHE, HLS_STREAMING_PLAYLIST_DIRECTORY, LAST_MIGRATION_VERSION, RESUMABLE_UPLOAD_DIRECTORY } from './constants'
 import { sequelizeTypescript } from './database'
-import { ensureDir, remove } from 'fs-extra'
-import { CONFIG } from './config'
 
 async function installApplication () {
   try {
diff --git a/server/initializers/migrator.ts b/server/initializers/migrator.ts
index 77203ae24..7d7c9f8cb 100644
--- a/server/initializers/migrator.ts
+++ b/server/initializers/migrator.ts
@@ -1,9 +1,9 @@
-import * as path from 'path'
+import { readdir } from 'fs-extra'
+import { join } from 'path'
+import { QueryTypes } from 'sequelize'
 import { logger } from '../helpers/logger'
 import { LAST_MIGRATION_VERSION } from './constants'
 import { sequelizeTypescript } from './database'
-import { readdir } from 'fs-extra'
-import { QueryTypes } from 'sequelize'
 
 async function migrate () {
   const tables = await sequelizeTypescript.getQueryInterface().showAllTables()
@@ -58,7 +58,7 @@ export {
 // ---------------------------------------------------------------------------
 
 async function getMigrationScripts () {
-  const files = await readdir(path.join(__dirname, 'migrations'))
+  const files = await readdir(join(__dirname, 'migrations'))
   const filesToMigrate: {
     version: string
     script: string
@@ -88,7 +88,7 @@ async function executeMigration (actualVersion: number, entity: { version: strin
   const migrationScriptName = entity.script
   logger.info('Executing %s migration script.', migrationScriptName)
 
-  const migrationScript = require(path.join(__dirname, 'migrations', migrationScriptName))
+  const migrationScript = require(join(__dirname, 'migrations', migrationScriptName))
 
   return sequelizeTypescript.transaction(async t => {
     const options = {
diff --git a/server/lib/activitypub/actors/webfinger.ts b/server/lib/activitypub/actors/webfinger.ts
index 1c7ec4717..5532f05bd 100644
--- a/server/lib/activitypub/actors/webfinger.ts
+++ b/server/lib/activitypub/actors/webfinger.ts
@@ -1,4 +1,4 @@
-import * as WebFinger from 'webfinger.js'
+import WebFinger from 'webfinger.js'
 import { isProdInstance } from '@server/helpers/core-utils'
 import { isActivityPubUrlValid } from '@server/helpers/custom-validators/activitypub/misc'
 import { REQUEST_TIMEOUT, WEBSERVER } from '@server/initializers/constants'
diff --git a/server/lib/activitypub/crawl.ts b/server/lib/activitypub/crawl.ts
index 28ff5225a..336129b82 100644
--- a/server/lib/activitypub/crawl.ts
+++ b/server/lib/activitypub/crawl.ts
@@ -1,13 +1,13 @@
-import { retryTransactionWrapper } from '@server/helpers/database-utils'
-import * as Bluebird from 'bluebird'
+import Bluebird from 'bluebird'
 import { URL } from 'url'
+import { retryTransactionWrapper } from '@server/helpers/database-utils'
 import { ActivityPubOrderedCollection } from '../../../shared/models/activitypub'
 import { logger } from '../../helpers/logger'
 import { doJSONRequest } from '../../helpers/requests'
 import { ACTIVITY_PUB, WEBSERVER } from '../../initializers/constants'
 
 type HandlerFunction<T> = (items: T[]) => (Promise<any> | Bluebird<any>)
-type CleanerFunction = (startedDate: Date) => (Promise<any> | Bluebird<any>)
+type CleanerFunction = (startedDate: Date) => Promise<any>
 
 async function crawlCollectionPage <T> (argUrl: string, handler: HandlerFunction<T>, cleaner?: CleanerFunction) {
   let url = argUrl
diff --git a/server/lib/activitypub/playlists/create-update.ts b/server/lib/activitypub/playlists/create-update.ts
index ea3e61ac5..b152d709c 100644
--- a/server/lib/activitypub/playlists/create-update.ts
+++ b/server/lib/activitypub/playlists/create-update.ts
@@ -1,4 +1,4 @@
-import * as Bluebird from 'bluebird'
+import { map } from 'bluebird'
 import { getAPId } from '@server/helpers/activitypub'
 import { isArray } from '@server/helpers/custom-validators/misc'
 import { logger, loggerTagsFactory } from '@server/helpers/logger'
@@ -24,7 +24,7 @@ import {
 const lTags = loggerTagsFactory('ap', 'video-playlist')
 
 async function createAccountPlaylists (playlistUrls: string[]) {
-  await Bluebird.map(playlistUrls, async playlistUrl => {
+  await map(playlistUrls, async playlistUrl => {
     try {
       const exists = await VideoPlaylistModel.doesPlaylistExist(playlistUrl)
       if (exists === true) return
@@ -140,7 +140,7 @@ async function rebuildVideoPlaylistElements (elementUrls: string[], playlist: MV
 async function buildElementsDBAttributes (elementUrls: string[], playlist: MVideoPlaylist) {
   const elementsToCreate: FilteredModelAttributes<VideoPlaylistElementModel>[] = []
 
-  await Bluebird.map(elementUrls, async elementUrl => {
+  await map(elementUrls, async elementUrl => {
     try {
       const { elementObject } = await fetchRemotePlaylistElement(elementUrl)
 
diff --git a/server/lib/activitypub/share.ts b/server/lib/activitypub/share.ts
index 1ff01a175..b18761174 100644
--- a/server/lib/activitypub/share.ts
+++ b/server/lib/activitypub/share.ts
@@ -1,4 +1,4 @@
-import * as Bluebird from 'bluebird'
+import { map } from 'bluebird'
 import { Transaction } from 'sequelize'
 import { getServerActor } from '@server/models/application/application'
 import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
@@ -38,7 +38,7 @@ async function changeVideoChannelShare (
 }
 
 async function addVideoShares (shareUrls: string[], video: MVideoId) {
-  await Bluebird.map(shareUrls, async shareUrl => {
+  await map(shareUrls, async shareUrl => {
     try {
       await addVideoShare(shareUrl, video)
     } catch (err) {
diff --git a/server/lib/activitypub/video-comments.ts b/server/lib/activitypub/video-comments.ts
index 6b7f9504f..2a14790fe 100644
--- a/server/lib/activitypub/video-comments.ts
+++ b/server/lib/activitypub/video-comments.ts
@@ -1,4 +1,4 @@
-import * as Bluebird from 'bluebird'
+import { map } from 'bluebird'
 import { checkUrlsSameHost } from '../../helpers/activitypub'
 import { sanitizeAndCheckVideoCommentObject } from '../../helpers/custom-validators/activitypub/video-comments'
 import { logger } from '../../helpers/logger'
@@ -18,7 +18,7 @@ type ResolveThreadParams = {
 type ResolveThreadResult = Promise<{ video: MVideoAccountLightBlacklistAllFiles, comment: MCommentOwnerVideo, commentCreated: boolean }>
 
 async function addVideoComments (commentUrls: string[]) {
-  return Bluebird.map(commentUrls, async commentUrl => {
+  return map(commentUrls, async commentUrl => {
     try {
       await resolveThread({ url: commentUrl, isVideo: false })
     } catch (err) {
diff --git a/server/lib/activitypub/video-rates.ts b/server/lib/activitypub/video-rates.ts
index 9fb97ef84..04aa5eae9 100644
--- a/server/lib/activitypub/video-rates.ts
+++ b/server/lib/activitypub/video-rates.ts
@@ -1,4 +1,4 @@
-import * as Bluebird from 'bluebird'
+import { map } from 'bluebird'
 import { Transaction } from 'sequelize'
 import { doJSONRequest } from '@server/helpers/requests'
 import { VideoRateType } from '../../../shared/models/videos'
@@ -15,7 +15,7 @@ import { getVideoDislikeActivityPubUrlByLocalActor, getVideoLikeActivityPubUrlBy
 const lTags = loggerTagsFactory('ap', 'video-rate', 'create')
 
 async function createRates (ratesUrl: string[], video: MVideo, rate: VideoRateType) {
-  await Bluebird.map(ratesUrl, async rateUrl => {
+  await map(ratesUrl, async rateUrl => {
     try {
       await createRate(rateUrl, video, rate)
     } catch (err) {
diff --git a/server/lib/activitypub/videos/shared/object-to-model-attributes.ts b/server/lib/activitypub/videos/shared/object-to-model-attributes.ts
index bd9ed45a9..62354ab56 100644
--- a/server/lib/activitypub/videos/shared/object-to-model-attributes.ts
+++ b/server/lib/activitypub/videos/shared/object-to-model-attributes.ts
@@ -1,5 +1,5 @@
 import { maxBy, minBy } from 'lodash'
-import * as magnetUtil from 'magnet-uri'
+import magnetUtil from 'magnet-uri'
 import { basename } from 'path'
 import { isAPVideoFileUrlMetadataObject } from '@server/helpers/custom-validators/activitypub/videos'
 import { isVideoFileInfoHashValid } from '@server/helpers/custom-validators/videos'
diff --git a/server/lib/auth/oauth-model.ts b/server/lib/auth/oauth-model.ts
index ae728d080..f2ef0a78a 100644
--- a/server/lib/auth/oauth-model.ts
+++ b/server/lib/auth/oauth-model.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { AccessDeniedError } from 'oauth2-server'
 import { PluginManager } from '@server/lib/plugins/plugin-manager'
 import { ActorModel } from '@server/models/actor/actor'
diff --git a/server/lib/auth/oauth.ts b/server/lib/auth/oauth.ts
index a97681c86..497773536 100644
--- a/server/lib/auth/oauth.ts
+++ b/server/lib/auth/oauth.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import {
   InvalidClientError,
   InvalidGrantError,
diff --git a/server/lib/auth/tokens-cache.ts b/server/lib/auth/tokens-cache.ts
index b027ce69a..410708a35 100644
--- a/server/lib/auth/tokens-cache.ts
+++ b/server/lib/auth/tokens-cache.ts
@@ -1,4 +1,4 @@
-import * as LRUCache from 'lru-cache'
+import LRUCache from 'lru-cache'
 import { MOAuthTokenUser } from '@server/types/models'
 import { LRU_CACHE } from '../../initializers/constants'
 
diff --git a/server/lib/client-html.ts b/server/lib/client-html.ts
index e093d35f7..3b0a68f4d 100644
--- a/server/lib/client-html.ts
+++ b/server/lib/client-html.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { readFile } from 'fs-extra'
 import { join } from 'path'
 import validator from 'validator'
diff --git a/server/lib/files-cache/abstract-video-static-file-cache.ts b/server/lib/files-cache/abstract-video-static-file-cache.ts
index af66689a0..a7ac88525 100644
--- a/server/lib/files-cache/abstract-video-static-file-cache.ts
+++ b/server/lib/files-cache/abstract-video-static-file-cache.ts
@@ -1,6 +1,6 @@
 import { remove } from 'fs-extra'
 import { logger } from '../../helpers/logger'
-import * as memoizee from 'memoizee'
+import memoizee from 'memoizee'
 
 type GetFilePathResult = { isOwned: boolean, path: string, downloadName?: string } | undefined
 
diff --git a/server/lib/job-queue/handlers/activitypub-cleaner.ts b/server/lib/job-queue/handlers/activitypub-cleaner.ts
index 56e2b0ceb..d5e4508fe 100644
--- a/server/lib/job-queue/handlers/activitypub-cleaner.ts
+++ b/server/lib/job-queue/handlers/activitypub-cleaner.ts
@@ -1,5 +1,5 @@
-import * as Bluebird from 'bluebird'
-import * as Bull from 'bull'
+import { map } from 'bluebird'
+import { Job } from 'bull'
 import { checkUrlsSameHost } from '@server/helpers/activitypub'
 import {
   isAnnounceActivityValid,
@@ -18,14 +18,14 @@ import { AccountVideoRateModel } from '../../../models/account/account-video-rat
 
 // Job to clean remote interactions off local videos
 
-async function processActivityPubCleaner (_job: Bull.Job) {
+async function processActivityPubCleaner (_job: Job) {
   logger.info('Processing ActivityPub cleaner.')
 
   {
     const rateUrls = await AccountVideoRateModel.listRemoteRateUrlsOfLocalVideos()
     const { bodyValidator, deleter, updater } = rateOptionsFactory()
 
-    await Bluebird.map(rateUrls, async rateUrl => {
+    await map(rateUrls, async rateUrl => {
       try {
         const result = await updateObjectIfNeeded(rateUrl, bodyValidator, updater, deleter)
 
@@ -44,7 +44,7 @@ async function processActivityPubCleaner (_job: Bull.Job) {
     const shareUrls = await VideoShareModel.listRemoteShareUrlsOfLocalVideos()
     const { bodyValidator, deleter, updater } = shareOptionsFactory()
 
-    await Bluebird.map(shareUrls, async shareUrl => {
+    await map(shareUrls, async shareUrl => {
       try {
         await updateObjectIfNeeded(shareUrl, bodyValidator, updater, deleter)
       } catch (err) {
@@ -57,7 +57,7 @@ async function processActivityPubCleaner (_job: Bull.Job) {
     const commentUrls = await VideoCommentModel.listRemoteCommentUrlsOfLocalVideos()
     const { bodyValidator, deleter, updater } = commentOptionsFactory()
 
-    await Bluebird.map(commentUrls, async commentUrl => {
+    await map(commentUrls, async commentUrl => {
       try {
         await updateObjectIfNeeded(commentUrl, bodyValidator, updater, deleter)
       } catch (err) {
diff --git a/server/lib/job-queue/handlers/activitypub-follow.ts b/server/lib/job-queue/handlers/activitypub-follow.ts
index f896d7af4..91e3d33c6 100644
--- a/server/lib/job-queue/handlers/activitypub-follow.ts
+++ b/server/lib/job-queue/handlers/activitypub-follow.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { getLocalActorFollowActivityPubUrl } from '@server/lib/activitypub/url'
 import { ActivitypubFollowPayload } from '@shared/models'
 import { sanitizeHost } from '../../../helpers/core-utils'
@@ -13,7 +13,7 @@ import { getOrCreateAPActor, loadActorUrlOrGetFromWebfinger } from '../../activi
 import { sendFollow } from '../../activitypub/send'
 import { Notifier } from '../../notifier'
 
-async function processActivityPubFollow (job: Bull.Job) {
+async function processActivityPubFollow (job: Job) {
   const payload = job.data as ActivitypubFollowPayload
   const host = payload.host
 
diff --git a/server/lib/job-queue/handlers/activitypub-http-broadcast.ts b/server/lib/job-queue/handlers/activitypub-http-broadcast.ts
index d4b328635..9b0bb6574 100644
--- a/server/lib/job-queue/handlers/activitypub-http-broadcast.ts
+++ b/server/lib/job-queue/handlers/activitypub-http-broadcast.ts
@@ -1,5 +1,5 @@
-import * as Bluebird from 'bluebird'
-import * as Bull from 'bull'
+import { map } from 'bluebird'
+import { Job } from 'bull'
 import { ActivitypubHttpBroadcastPayload } from '@shared/models'
 import { logger } from '../../../helpers/logger'
 import { doRequest } from '../../../helpers/requests'
@@ -7,7 +7,7 @@ import { BROADCAST_CONCURRENCY } from '../../../initializers/constants'
 import { ActorFollowScoreCache } from '../../files-cache'
 import { buildGlobalHeaders, buildSignedRequestOptions, computeBody } from './utils/activitypub-http-utils'
 
-async function processActivityPubHttpBroadcast (job: Bull.Job) {
+async function processActivityPubHttpBroadcast (job: Job) {
   logger.info('Processing ActivityPub broadcast in job %d.', job.id)
 
   const payload = job.data as ActivitypubHttpBroadcastPayload
@@ -25,7 +25,7 @@ async function processActivityPubHttpBroadcast (job: Bull.Job) {
   const badUrls: string[] = []
   const goodUrls: string[] = []
 
-  await Bluebird.map(payload.uris, uri => {
+  await map(payload.uris, uri => {
     return doRequest(uri, options)
       .then(() => goodUrls.push(uri))
       .catch(() => badUrls.push(uri))
diff --git a/server/lib/job-queue/handlers/activitypub-http-fetcher.ts b/server/lib/job-queue/handlers/activitypub-http-fetcher.ts
index ab9675cae..46016a0a7 100644
--- a/server/lib/job-queue/handlers/activitypub-http-fetcher.ts
+++ b/server/lib/job-queue/handlers/activitypub-http-fetcher.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { ActivitypubHttpFetcherPayload, FetchType } from '@shared/models'
 import { logger } from '../../../helpers/logger'
 import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
@@ -13,7 +13,7 @@ import { addVideoShares } from '../../activitypub/share'
 import { addVideoComments } from '../../activitypub/video-comments'
 import { createRates } from '../../activitypub/video-rates'
 
-async function processActivityPubHttpFetcher (job: Bull.Job) {
+async function processActivityPubHttpFetcher (job: Job) {
   logger.info('Processing ActivityPub fetcher in job %d.', job.id)
 
   const payload = job.data as ActivitypubHttpFetcherPayload
diff --git a/server/lib/job-queue/handlers/activitypub-http-unicast.ts b/server/lib/job-queue/handlers/activitypub-http-unicast.ts
index 9e561c6b7..9be50837f 100644
--- a/server/lib/job-queue/handlers/activitypub-http-unicast.ts
+++ b/server/lib/job-queue/handlers/activitypub-http-unicast.ts
@@ -1,11 +1,11 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { ActivitypubHttpUnicastPayload } from '@shared/models'
 import { logger } from '../../../helpers/logger'
 import { doRequest } from '../../../helpers/requests'
 import { ActorFollowScoreCache } from '../../files-cache'
 import { buildGlobalHeaders, buildSignedRequestOptions, computeBody } from './utils/activitypub-http-utils'
 
-async function processActivityPubHttpUnicast (job: Bull.Job) {
+async function processActivityPubHttpUnicast (job: Job) {
   logger.info('Processing ActivityPub unicast in job %d.', job.id)
 
   const payload = job.data as ActivitypubHttpUnicastPayload
diff --git a/server/lib/job-queue/handlers/activitypub-refresher.ts b/server/lib/job-queue/handlers/activitypub-refresher.ts
index d97e50ebc..5037992d2 100644
--- a/server/lib/job-queue/handlers/activitypub-refresher.ts
+++ b/server/lib/job-queue/handlers/activitypub-refresher.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { refreshVideoPlaylistIfNeeded } from '@server/lib/activitypub/playlists'
 import { refreshVideoIfNeeded } from '@server/lib/activitypub/videos'
 import { loadVideoByUrl } from '@server/lib/model-loaders'
@@ -8,7 +8,7 @@ import { ActorModel } from '../../../models/actor/actor'
 import { VideoPlaylistModel } from '../../../models/video/video-playlist'
 import { refreshActorIfNeeded } from '../../activitypub/actors'
 
-async function refreshAPObject (job: Bull.Job) {
+async function refreshAPObject (job: Job) {
   const payload = job.data as RefreshPayload
 
   logger.info('Processing AP refresher in job %d for %s.', job.id, payload.url)
diff --git a/server/lib/job-queue/handlers/actor-keys.ts b/server/lib/job-queue/handlers/actor-keys.ts
index 60ac61afd..9d5a65376 100644
--- a/server/lib/job-queue/handlers/actor-keys.ts
+++ b/server/lib/job-queue/handlers/actor-keys.ts
@@ -1,10 +1,10 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { generateAndSaveActorKeys } from '@server/lib/activitypub/actors'
 import { ActorModel } from '@server/models/actor/actor'
 import { ActorKeysPayload } from '@shared/models'
 import { logger } from '../../../helpers/logger'
 
-async function processActorKeys (job: Bull.Job) {
+async function processActorKeys (job: Job) {
   const payload = job.data as ActorKeysPayload
   logger.info('Processing actor keys in job %d.', job.id)
 
diff --git a/server/lib/job-queue/handlers/email.ts b/server/lib/job-queue/handlers/email.ts
index 3157731e2..6fc1caa84 100644
--- a/server/lib/job-queue/handlers/email.ts
+++ b/server/lib/job-queue/handlers/email.ts
@@ -1,9 +1,9 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
+import { EmailPayload } from '@shared/models'
 import { logger } from '../../../helpers/logger'
 import { Emailer } from '../../emailer'
-import { EmailPayload } from '@shared/models'
 
-async function processEmail (job: Bull.Job) {
+async function processEmail (job: Job) {
   const payload = job.data as EmailPayload
   logger.info('Processing email in job %d.', job.id)
 
diff --git a/server/lib/job-queue/handlers/move-to-object-storage.ts b/server/lib/job-queue/handlers/move-to-object-storage.ts
index f3b8726eb..0bebc0fc2 100644
--- a/server/lib/job-queue/handlers/move-to-object-storage.ts
+++ b/server/lib/job-queue/handlers/move-to-object-storage.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { remove } from 'fs-extra'
 import { join } from 'path'
 import { logger } from '@server/helpers/logger'
@@ -12,7 +12,7 @@ import { VideoJobInfoModel } from '@server/models/video/video-job-info'
 import { MStreamingPlaylistVideo, MVideo, MVideoFile, MVideoWithAllFiles } from '@server/types/models'
 import { MoveObjectStoragePayload, VideoStorage } from '../../../../shared'
 
-export async function processMoveToObjectStorage (job: Bull.Job) {
+export async function processMoveToObjectStorage (job: Job) {
   const payload = job.data as MoveObjectStoragePayload
   logger.info('Moving video %s in job %d.', payload.videoUUID, job.id)
 
diff --git a/server/lib/job-queue/handlers/video-file-import.ts b/server/lib/job-queue/handlers/video-file-import.ts
index e8ee1f759..e6c918e6c 100644
--- a/server/lib/job-queue/handlers/video-file-import.ts
+++ b/server/lib/job-queue/handlers/video-file-import.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { copy, stat } from 'fs-extra'
 import { getLowercaseExtension } from '@server/helpers/core-utils'
 import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
@@ -16,7 +16,7 @@ import { VideoModel } from '../../../models/video/video'
 import { VideoFileModel } from '../../../models/video/video-file'
 import { createHlsJobIfEnabled } from './video-transcoding'
 
-async function processVideoFileImport (job: Bull.Job) {
+async function processVideoFileImport (job: Job) {
   const payload = job.data as VideoFileImportPayload
   logger.info('Processing video file import in job %d.', job.id)
 
diff --git a/server/lib/job-queue/handlers/video-import.ts b/server/lib/job-queue/handlers/video-import.ts
index a5fa204f5..bdbf07a06 100644
--- a/server/lib/job-queue/handlers/video-import.ts
+++ b/server/lib/job-queue/handlers/video-import.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { move, remove, stat } from 'fs-extra'
 import { getLowercaseExtension } from '@server/helpers/core-utils'
 import { retryTransactionWrapper } from '@server/helpers/database-utils'
@@ -37,7 +37,7 @@ import { federateVideoIfNeeded } from '../../activitypub/videos'
 import { Notifier } from '../../notifier'
 import { generateVideoMiniature } from '../../thumbnail'
 
-async function processVideoImport (job: Bull.Job) {
+async function processVideoImport (job: Job) {
   const payload = job.data as VideoImportPayload
 
   if (payload.type === 'youtube-dl') return processYoutubeDLImport(job, payload)
@@ -52,7 +52,7 @@ export {
 
 // ---------------------------------------------------------------------------
 
-async function processTorrentImport (job: Bull.Job, payload: VideoImportTorrentPayload) {
+async function processTorrentImport (job: Job, payload: VideoImportTorrentPayload) {
   logger.info('Processing torrent video import in job %d.', job.id)
 
   const videoImport = await getVideoImportOrDie(payload.videoImportId)
@@ -68,7 +68,7 @@ async function processTorrentImport (job: Bull.Job, payload: VideoImportTorrentP
   return processFile(() => downloadWebTorrentVideo(target, VIDEO_IMPORT_TIMEOUT), videoImport, options)
 }
 
-async function processYoutubeDLImport (job: Bull.Job, payload: VideoImportYoutubeDLPayload) {
+async function processYoutubeDLImport (job: Job, payload: VideoImportYoutubeDLPayload) {
   logger.info('Processing youtubeDL video import in job %d.', job.id)
 
   const videoImport = await getVideoImportOrDie(payload.videoImportId)
diff --git a/server/lib/job-queue/handlers/video-live-ending.ts b/server/lib/job-queue/handlers/video-live-ending.ts
index 9ccf724c2..a04cfa2c9 100644
--- a/server/lib/job-queue/handlers/video-live-ending.ts
+++ b/server/lib/job-queue/handlers/video-live-ending.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { pathExists, readdir, remove } from 'fs-extra'
 import { join } from 'path'
 import { ffprobePromise, getAudioStream, getDurationFromVideoFile, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
@@ -17,7 +17,7 @@ import { MStreamingPlaylist, MVideo, MVideoLive } from '@server/types/models'
 import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
 import { logger } from '../../../helpers/logger'
 
-async function processVideoLiveEnding (job: Bull.Job) {
+async function processVideoLiveEnding (job: Job) {
   const payload = job.data as VideoLiveEndingPayload
 
   function logError () {
diff --git a/server/lib/job-queue/handlers/video-redundancy.ts b/server/lib/job-queue/handlers/video-redundancy.ts
index 6296dab05..9cb7a6589 100644
--- a/server/lib/job-queue/handlers/video-redundancy.ts
+++ b/server/lib/job-queue/handlers/video-redundancy.ts
@@ -1,9 +1,9 @@
-import * as Bull from 'bull'
-import { logger } from '../../../helpers/logger'
+import { Job } from 'bull'
 import { VideosRedundancyScheduler } from '@server/lib/schedulers/videos-redundancy-scheduler'
 import { VideoRedundancyPayload } from '@shared/models'
+import { logger } from '../../../helpers/logger'
 
-async function processVideoRedundancy (job: Bull.Job) {
+async function processVideoRedundancy (job: Job) {
   const payload = job.data as VideoRedundancyPayload
   logger.info('Processing video redundancy in job %d.', job.id)
 
diff --git a/server/lib/job-queue/handlers/video-transcoding.ts b/server/lib/job-queue/handlers/video-transcoding.ts
index 5a93c4ed1..20880cdc1 100644
--- a/server/lib/job-queue/handlers/video-transcoding.ts
+++ b/server/lib/job-queue/handlers/video-transcoding.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { TranscodeOptionsType } from '@server/helpers/ffmpeg-utils'
 import { addTranscodingJob, getTranscodingJobPriority } from '@server/lib/video'
 import { VideoPathManager } from '@server/lib/video-path-manager'
@@ -25,7 +25,7 @@ import {
   transcodeNewWebTorrentResolution
 } from '../../transcoding/video-transcoding'
 
-type HandlerFunction = (job: Bull.Job, payload: VideoTranscodingPayload, video: MVideoFullLight, user: MUser) => Promise<void>
+type HandlerFunction = (job: Job, payload: VideoTranscodingPayload, video: MVideoFullLight, user: MUser) => Promise<void>
 
 const handlers: { [ id in VideoTranscodingPayload['type'] ]: HandlerFunction } = {
   'new-resolution-to-hls': handleHLSJob,
@@ -36,7 +36,7 @@ const handlers: { [ id in VideoTranscodingPayload['type'] ]: HandlerFunction } =
 
 const lTags = loggerTagsFactory('transcoding')
 
-async function processVideoTranscoding (job: Bull.Job) {
+async function processVideoTranscoding (job: Job) {
   const payload = job.data as VideoTranscodingPayload
   logger.info('Processing transcoding job %d.', job.id, lTags(payload.videoUUID))
 
@@ -64,7 +64,7 @@ async function processVideoTranscoding (job: Bull.Job) {
 // Job handlers
 // ---------------------------------------------------------------------------
 
-async function handleHLSJob (job: Bull.Job, payload: HLSTranscodingPayload, video: MVideoFullLight, user: MUser) {
+async function handleHLSJob (job: Job, payload: HLSTranscodingPayload, video: MVideoFullLight, user: MUser) {
   logger.info('Handling HLS transcoding job for %s.', video.uuid, lTags(video.uuid))
 
   const videoFileInput = payload.copyCodecs
@@ -90,7 +90,7 @@ async function handleHLSJob (job: Bull.Job, payload: HLSTranscodingPayload, vide
 }
 
 async function handleNewWebTorrentResolutionJob (
-  job: Bull.Job,
+  job: Job,
   payload: NewResolutionTranscodingPayload,
   video: MVideoFullLight,
   user: MUserId
@@ -104,7 +104,7 @@ async function handleNewWebTorrentResolutionJob (
   await retryTransactionWrapper(onNewWebTorrentFileResolution, video, user, payload)
 }
 
-async function handleWebTorrentMergeAudioJob (job: Bull.Job, payload: MergeAudioTranscodingPayload, video: MVideoFullLight, user: MUserId) {
+async function handleWebTorrentMergeAudioJob (job: Job, payload: MergeAudioTranscodingPayload, video: MVideoFullLight, user: MUserId) {
   logger.info('Handling merge audio transcoding job for %s.', video.uuid, lTags(video.uuid))
 
   await mergeAudioVideofile(video, payload.resolution, job)
@@ -114,7 +114,7 @@ async function handleWebTorrentMergeAudioJob (job: Bull.Job, payload: MergeAudio
   await retryTransactionWrapper(onVideoFileOptimizer, video, payload, 'video', user)
 }
 
-async function handleWebTorrentOptimizeJob (job: Bull.Job, payload: OptimizeTranscodingPayload, video: MVideoFullLight, user: MUserId) {
+async function handleWebTorrentOptimizeJob (job: Job, payload: OptimizeTranscodingPayload, video: MVideoFullLight, user: MUserId) {
   logger.info('Handling optimize transcoding job for %s.', video.uuid, lTags(video.uuid))
 
   const { transcodeType } = await optimizeOriginalVideofile(video, video.getMaxQualityFile(), job)
diff --git a/server/lib/job-queue/job-queue.ts b/server/lib/job-queue/job-queue.ts
index 7a3a1bf82..4cda12b57 100644
--- a/server/lib/job-queue/job-queue.ts
+++ b/server/lib/job-queue/job-queue.ts
@@ -1,4 +1,4 @@
-import * as Bull from 'bull'
+import Bull, { Job, JobOptions, Queue } from 'bull'
 import { jobStates } from '@server/helpers/custom-validators/jobs'
 import { CONFIG } from '@server/initializers/config'
 import { processVideoRedundancy } from '@server/lib/job-queue/handlers/video-redundancy'
@@ -30,12 +30,12 @@ import { processActivityPubHttpUnicast } from './handlers/activitypub-http-unica
 import { refreshAPObject } from './handlers/activitypub-refresher'
 import { processActorKeys } from './handlers/actor-keys'
 import { processEmail } from './handlers/email'
+import { processMoveToObjectStorage } from './handlers/move-to-object-storage'
 import { processVideoFileImport } from './handlers/video-file-import'
 import { processVideoImport } from './handlers/video-import'
 import { processVideoLiveEnding } from './handlers/video-live-ending'
 import { processVideoTranscoding } from './handlers/video-transcoding'
 import { processVideosViews } from './handlers/video-views'
-import { processMoveToObjectStorage } from './handlers/move-to-object-storage'
 
 type CreateJobArgument =
   { type: 'activitypub-http-broadcast', payload: ActivitypubHttpBroadcastPayload } |
@@ -59,7 +59,7 @@ export type CreateJobOptions = {
   priority?: number
 }
 
-const handlers: { [id in JobType]: (job: Bull.Job) => Promise<any> } = {
+const handlers: { [id in JobType]: (job: Job) => Promise<any> } = {
   'activitypub-http-broadcast': processActivityPubHttpBroadcast,
   'activitypub-http-unicast': processActivityPubHttpUnicast,
   'activitypub-http-fetcher': processActivityPubHttpFetcher,
@@ -99,7 +99,7 @@ class JobQueue {
 
   private static instance: JobQueue
 
-  private queues: { [id in JobType]?: Bull.Queue } = {}
+  private queues: { [id in JobType]?: Queue } = {}
   private initialized = false
   private jobRedisPrefix: string
 
@@ -160,7 +160,7 @@ class JobQueue {
       return
     }
 
-    const jobArgs: Bull.JobOptions = {
+    const jobArgs: JobOptions = {
       backoff: { delay: 60 * 1000, type: 'exponential' },
       attempts: JOB_ATTEMPTS[obj.type],
       timeout: JOB_TTL[obj.type],
@@ -177,11 +177,11 @@ class JobQueue {
     count: number
     asc?: boolean
     jobType: JobType
-  }): Promise<Bull.Job[]> {
+  }): Promise<Job[]> {
     const { state, start, count, asc, jobType } = options
 
     const states = state ? [ state ] : jobStates
-    let results: Bull.Job[] = []
+    let results: Job[] = []
 
     const filteredJobTypes = this.filterJobTypes(jobType)
 
diff --git a/server/lib/live/shared/muxing-session.ts b/server/lib/live/shared/muxing-session.ts
index 0c9fb0cb6..a6907142d 100644
--- a/server/lib/live/shared/muxing-session.ts
+++ b/server/lib/live/shared/muxing-session.ts
@@ -1,6 +1,6 @@
 
-import * as Bluebird from 'bluebird'
-import * as chokidar from 'chokidar'
+import { mapSeries } from 'bluebird'
+import { FSWatcher, watch } from 'chokidar'
 import { FfmpegCommand } from 'fluent-ffmpeg'
 import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
 import { basename, join } from 'path'
@@ -67,8 +67,8 @@ class MuxingSession extends EventEmitter {
 
   private segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
 
-  private tsWatcher: chokidar.FSWatcher
-  private masterWatcher: chokidar.FSWatcher
+  private tsWatcher: FSWatcher
+  private masterWatcher: FSWatcher
 
   private readonly isAbleToUploadVideoWithCache = memoizee((userId: number) => {
     return isAbleToUploadVideo(userId, 1000)
@@ -197,7 +197,7 @@ class MuxingSession extends EventEmitter {
   }
 
   private watchMasterFile (outPath: string) {
-    this.masterWatcher = chokidar.watch(outPath + '/' + this.streamingPlaylist.playlistFilename)
+    this.masterWatcher = watch(outPath + '/' + this.streamingPlaylist.playlistFilename)
 
     this.masterWatcher.on('add', () => {
       this.emit('master-playlist-created', { videoId: this.videoId })
@@ -210,7 +210,7 @@ class MuxingSession extends EventEmitter {
   private watchTSFiles (outPath: string) {
     const startStreamDateTime = new Date().getTime()
 
-    this.tsWatcher = chokidar.watch(outPath + '/*.ts')
+    this.tsWatcher = watch(outPath + '/*.ts')
 
     const playlistIdMatcher = /^([\d+])-/
 
@@ -306,7 +306,7 @@ class MuxingSession extends EventEmitter {
   }
 
   private processSegments (hlsVideoPath: string, segmentPaths: string[]) {
-    Bluebird.mapSeries(segmentPaths, async previousSegment => {
+    mapSeries(segmentPaths, async previousSegment => {
       // Add sha hash of previous segments, because ffmpeg should have finished generating them
       await LiveSegmentShaStore.Instance.addSegmentSha(this.videoUUID, previousSegment)
 
diff --git a/server/lib/local-actor.ts b/server/lib/local-actor.ts
index 77667f6b0..821a92b91 100644
--- a/server/lib/local-actor.ts
+++ b/server/lib/local-actor.ts
@@ -1,6 +1,6 @@
 import 'multer'
 import { queue } from 'async'
-import * as LRUCache from 'lru-cache'
+import LRUCache from 'lru-cache'
 import { join } from 'path'
 import { getLowercaseExtension } from '@server/helpers/core-utils'
 import { buildUUID } from '@server/helpers/uuid'
diff --git a/server/lib/peertube-socket.ts b/server/lib/peertube-socket.ts
index 0740e378e..901435dea 100644
--- a/server/lib/peertube-socket.ts
+++ b/server/lib/peertube-socket.ts
@@ -1,23 +1,23 @@
-import { Server } from 'http'
-import * as SocketIO from 'socket.io'
+import { Server as HTTPServer } from 'http'
+import { Namespace, Server as SocketServer, Socket } from 'socket.io'
+import { isIdValid } from '@server/helpers/custom-validators/misc'
 import { MVideo } from '@server/types/models'
 import { UserNotificationModelForApi } from '@server/types/models/user'
 import { LiveVideoEventPayload, LiveVideoEventType } from '@shared/models'
 import { logger } from '../helpers/logger'
 import { authenticateSocket } from '../middlewares'
-import { isIdValid } from '@server/helpers/custom-validators/misc'
 
 class PeerTubeSocket {
 
   private static instance: PeerTubeSocket
 
-  private userNotificationSockets: { [ userId: number ]: SocketIO.Socket[] } = {}
-  private liveVideosNamespace: SocketIO.Namespace
+  private userNotificationSockets: { [ userId: number ]: Socket[] } = {}
+  private liveVideosNamespace: Namespace
 
   private constructor () {}
 
-  init (server: Server) {
-    const io = new SocketIO.Server(server)
+  init (server: HTTPServer) {
+    const io = new SocketServer(server)
 
     io.of('/user-notifications')
       .use(authenticateSocket)
diff --git a/server/lib/plugins/hooks.ts b/server/lib/plugins/hooks.ts
index 5e97b52a0..327aaece2 100644
--- a/server/lib/plugins/hooks.ts
+++ b/server/lib/plugins/hooks.ts
@@ -1,4 +1,4 @@
-import * as Bluebird from 'bluebird'
+import Bluebird from 'bluebird'
 import { ServerActionHookName, ServerFilterHookName } from '../../../shared/models'
 import { logger } from '../../helpers/logger'
 import { PluginManager } from './plugin-manager'
diff --git a/server/lib/plugins/plugin-helpers-builder.ts b/server/lib/plugins/plugin-helpers-builder.ts
index 8487672ba..e26776f45 100644
--- a/server/lib/plugins/plugin-helpers-builder.ts
+++ b/server/lib/plugins/plugin-helpers-builder.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { join } from 'path'
 import { buildLogger } from '@server/helpers/logger'
 import { CONFIG } from '@server/initializers/config'
diff --git a/server/lib/plugins/plugin-manager.ts b/server/lib/plugins/plugin-manager.ts
index 6599bccca..d4d2a7edc 100644
--- a/server/lib/plugins/plugin-manager.ts
+++ b/server/lib/plugins/plugin-manager.ts
@@ -1,5 +1,5 @@
 import decache from 'decache'
-import * as express from 'express'
+import express from 'express'
 import { createReadStream, createWriteStream } from 'fs'
 import { ensureDir, outputFile, readJSON } from 'fs-extra'
 import { basename, join } from 'path'
diff --git a/server/lib/plugins/register-helpers.ts b/server/lib/plugins/register-helpers.ts
index af533effd..acca9309a 100644
--- a/server/lib/plugins/register-helpers.ts
+++ b/server/lib/plugins/register-helpers.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { logger } from '@server/helpers/logger'
 import { onExternalUserAuthenticated } from '@server/lib/auth/external-auth'
 import { VideoConstantManagerFactory } from '@server/lib/plugins/video-constant-manager-factory'
diff --git a/server/lib/redis.ts b/server/lib/redis.ts
index 62641e313..d1d88d853 100644
--- a/server/lib/redis.ts
+++ b/server/lib/redis.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { createClient, RedisClient } from 'redis'
 import { logger } from '../helpers/logger'
 import { generateRandomString } from '../helpers/utils'
diff --git a/server/lib/schedulers/abstract-scheduler.ts b/server/lib/schedulers/abstract-scheduler.ts
index 0e6088911..f3d51a22e 100644
--- a/server/lib/schedulers/abstract-scheduler.ts
+++ b/server/lib/schedulers/abstract-scheduler.ts
@@ -1,5 +1,5 @@
+import Bluebird from 'bluebird'
 import { logger } from '../../helpers/logger'
-import * as Bluebird from 'bluebird'
 
 export abstract class AbstractScheduler {
 
diff --git a/server/lib/schedulers/remove-dangling-resumable-uploads-scheduler.ts b/server/lib/schedulers/remove-dangling-resumable-uploads-scheduler.ts
index 1acea7998..099fa5651 100644
--- a/server/lib/schedulers/remove-dangling-resumable-uploads-scheduler.ts
+++ b/server/lib/schedulers/remove-dangling-resumable-uploads-scheduler.ts
@@ -1,4 +1,4 @@
-import * as bluebird from 'bluebird'
+import { map } from 'bluebird'
 import { readdir, remove, stat } from 'fs-extra'
 import { logger, loggerTagsFactory } from '@server/helpers/logger'
 import { getResumableUploadPath } from '@server/helpers/upload'
@@ -32,7 +32,7 @@ export class RemoveDanglingResumableUploadsScheduler extends AbstractScheduler {
     logger.debug('Reading resumable video upload folder %s with %d files', path, metafiles.length, lTags())
 
     try {
-      await bluebird.map(metafiles, metafile => {
+      await map(metafiles, metafile => {
         return this.deleteIfOlderThan(metafile, this.lastExecutionTimeMs)
       }, { concurrency: 5 })
     } catch (error) {
diff --git a/server/lib/search.ts b/server/lib/search.ts
index b643a4055..2f4c5eed9 100644
--- a/server/lib/search.ts
+++ b/server/lib/search.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { CONFIG } from '@server/initializers/config'
 import { AccountBlocklistModel } from '@server/models/account/account-blocklist'
 import { getServerActor } from '@server/models/application/application'
diff --git a/server/lib/signup.ts b/server/lib/signup.ts
index 8fa81e601..3c1397a12 100644
--- a/server/lib/signup.ts
+++ b/server/lib/signup.ts
@@ -1,6 +1,6 @@
-import { UserModel } from '../models/user/user'
-import * as ipaddr from 'ipaddr.js'
+import { IPv4, IPv6, parse, subnetMatch } from 'ipaddr.js'
 import { CONFIG } from '../initializers/config'
+import { UserModel } from '../models/user/user'
 
 const isCidr = require('is-cidr')
 
@@ -22,7 +22,7 @@ async function isSignupAllowed (): Promise<{ allowed: boolean, errorMessage?: st
 function isSignupAllowedForCurrentIP (ip: string) {
   if (!ip) return false
 
-  const addr = ipaddr.parse(ip)
+  const addr = parse(ip)
   const excludeList = [ 'blacklist' ]
   let matched = ''
 
@@ -32,23 +32,23 @@ function isSignupAllowedForCurrentIP (ip: string) {
   }
 
   if (addr.kind() === 'ipv4') {
-    const addrV4 = ipaddr.IPv4.parse(ip)
+    const addrV4 = IPv4.parse(ip)
     const rangeList = {
       whitelist: CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr.v4(cidr))
-                       .map(cidr => ipaddr.IPv4.parseCIDR(cidr)),
+                       .map(cidr => IPv4.parseCIDR(cidr)),
       blacklist: CONFIG.SIGNUP.FILTERS.CIDR.BLACKLIST.filter(cidr => isCidr.v4(cidr))
-                       .map(cidr => ipaddr.IPv4.parseCIDR(cidr))
+                       .map(cidr => IPv4.parseCIDR(cidr))
     }
-    matched = ipaddr.subnetMatch(addrV4, rangeList, 'unknown')
+    matched = subnetMatch(addrV4, rangeList, 'unknown')
   } else if (addr.kind() === 'ipv6') {
-    const addrV6 = ipaddr.IPv6.parse(ip)
+    const addrV6 = IPv6.parse(ip)
     const rangeList = {
       whitelist: CONFIG.SIGNUP.FILTERS.CIDR.WHITELIST.filter(cidr => isCidr.v6(cidr))
-                       .map(cidr => ipaddr.IPv6.parseCIDR(cidr)),
+                       .map(cidr => IPv6.parseCIDR(cidr)),
       blacklist: CONFIG.SIGNUP.FILTERS.CIDR.BLACKLIST.filter(cidr => isCidr.v6(cidr))
-                       .map(cidr => ipaddr.IPv6.parseCIDR(cidr))
+                       .map(cidr => IPv6.parseCIDR(cidr))
     }
-    matched = ipaddr.subnetMatch(addrV6, rangeList, 'unknown')
+    matched = subnetMatch(addrV6, rangeList, 'unknown')
   }
 
   return !excludeList.includes(matched)
diff --git a/server/lib/stat-manager.ts b/server/lib/stat-manager.ts
index 3c5e0a93e..03063793d 100644
--- a/server/lib/stat-manager.ts
+++ b/server/lib/stat-manager.ts
@@ -1,14 +1,14 @@
+import { mapSeries } from 'bluebird'
 import { CONFIG } from '@server/initializers/config'
-import { UserModel } from '@server/models/user/user'
 import { ActorFollowModel } from '@server/models/actor/actor-follow'
 import { VideoRedundancyModel } from '@server/models/redundancy/video-redundancy'
+import { UserModel } from '@server/models/user/user'
 import { VideoModel } from '@server/models/video/video'
 import { VideoChannelModel } from '@server/models/video/video-channel'
 import { VideoCommentModel } from '@server/models/video/video-comment'
 import { VideoFileModel } from '@server/models/video/video-file'
 import { VideoPlaylistModel } from '@server/models/video/video-playlist'
 import { ActivityType, ServerStats, VideoRedundancyStrategyWithManual } from '@shared/models'
-import * as Bluebird from 'bluebird'
 
 class StatsManager {
 
@@ -107,7 +107,7 @@ class StatsManager {
 
     strategies.push({ strategy: 'manual', size: null })
 
-    return Bluebird.mapSeries(strategies, r => {
+    return mapSeries(strategies, r => {
       return VideoRedundancyModel.getStats(r.strategy)
         .then(stats => Object.assign(stats, { strategy: r.strategy, totalSize: r.size }))
     })
diff --git a/server/middlewares/auth.ts b/server/middlewares/auth.ts
index 9e6327b23..c5424be97 100644
--- a/server/middlewares/auth.ts
+++ b/server/middlewares/auth.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { Socket } from 'socket.io'
 import { getAccessToken } from '@server/lib/auth/oauth-model'
 import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
diff --git a/server/middlewares/cache/shared/api-cache.ts b/server/middlewares/cache/shared/api-cache.ts
index f9f7b1b67..f8846dcfc 100644
--- a/server/middlewares/cache/shared/api-cache.ts
+++ b/server/middlewares/cache/shared/api-cache.ts
@@ -1,7 +1,7 @@
 // Thanks: https://github.com/kwhitley/apicache
 // We duplicated the library because it is unmaintened and prevent us to upgrade to recent NodeJS versions
 
-import * as express from 'express'
+import express from 'express'
 import { OutgoingHttpHeaders } from 'http'
 import { isTestInstance, parseDurationToMs } from '@server/helpers/core-utils'
 import { logger } from '@server/helpers/logger'
diff --git a/server/middlewares/csp.ts b/server/middlewares/csp.ts
index 0ee44bf47..e2a75a17e 100644
--- a/server/middlewares/csp.ts
+++ b/server/middlewares/csp.ts
@@ -1,4 +1,4 @@
-import * as helmet from 'helmet'
+import { contentSecurityPolicy } from 'helmet'
 import { CONFIG } from '../initializers/config'
 
 const baseDirectives = Object.assign({},
@@ -22,12 +22,12 @@ const baseDirectives = Object.assign({},
   CONFIG.WEBSERVER.SCHEME === 'https' ? { upgradeInsecureRequests: [] } : {}
 )
 
-const baseCSP = helmet.contentSecurityPolicy({
+const baseCSP = contentSecurityPolicy({
   directives: baseDirectives,
   reportOnly: CONFIG.CSP.REPORT_ONLY
 })
 
-const embedCSP = helmet.contentSecurityPolicy({
+const embedCSP = contentSecurityPolicy({
   directives: Object.assign({}, baseDirectives, { frameAncestors: [ '*' ] }),
   reportOnly: CONFIG.CSP.REPORT_ONLY
 })
diff --git a/server/middlewares/doc.ts b/server/middlewares/doc.ts
index 3db85c68d..eef76acaa 100644
--- a/server/middlewares/doc.ts
+++ b/server/middlewares/doc.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 
 function openapiOperationDoc (options: {
   url?: string
diff --git a/server/middlewares/error.ts b/server/middlewares/error.ts
index af5a9c29a..6c52ce7bd 100644
--- a/server/middlewares/error.ts
+++ b/server/middlewares/error.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { ProblemDocument, ProblemDocumentExtension } from 'http-problem-details'
 import { HttpStatusCode } from '@shared/models'
 
diff --git a/server/middlewares/pagination.ts b/server/middlewares/pagination.ts
index b59717d7b..9812af9e4 100644
--- a/server/middlewares/pagination.ts
+++ b/server/middlewares/pagination.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { PAGINATION } from '../initializers/constants'
 
 function setDefaultPagination (req: express.Request, res: express.Response, next: express.NextFunction) {
diff --git a/server/middlewares/servers.ts b/server/middlewares/servers.ts
index cf70d901e..ebfa03e6c 100644
--- a/server/middlewares/servers.ts
+++ b/server/middlewares/servers.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
 import { getHostWithPort } from '../helpers/express-utils'
 
diff --git a/server/middlewares/sort.ts b/server/middlewares/sort.ts
index 0600ccd15..458895898 100644
--- a/server/middlewares/sort.ts
+++ b/server/middlewares/sort.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { SortType } from '../models/utils'
 
 const setDefaultSort = setDefaultSortFactory('-createdAt')
diff --git a/server/middlewares/user-right.ts b/server/middlewares/user-right.ts
index c8c694f05..ea95b16c2 100644
--- a/server/middlewares/user-right.ts
+++ b/server/middlewares/user-right.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { UserRight } from '../../shared'
 import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
 import { logger } from '../helpers/logger'
diff --git a/server/middlewares/validators/abuse.ts b/server/middlewares/validators/abuse.ts
index f4d9c3af2..22f66c8cf 100644
--- a/server/middlewares/validators/abuse.ts
+++ b/server/middlewares/validators/abuse.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import {
   areAbusePredefinedReasonsValid,
diff --git a/server/middlewares/validators/account.ts b/server/middlewares/validators/account.ts
index 599eb10bb..e529c831d 100644
--- a/server/middlewares/validators/account.ts
+++ b/server/middlewares/validators/account.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { param } from 'express-validator'
 import { isAccountNameValid } from '../../helpers/custom-validators/accounts'
 import { logger } from '../../helpers/logger'
diff --git a/server/middlewares/validators/activitypub/activity.ts b/server/middlewares/validators/activitypub/activity.ts
index d24e4427b..e296b8be7 100644
--- a/server/middlewares/validators/activitypub/activity.ts
+++ b/server/middlewares/validators/activitypub/activity.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { getServerActor } from '@server/models/application/application'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { isRootActivityValid } from '../../../helpers/custom-validators/activitypub/activity'
diff --git a/server/middlewares/validators/activitypub/pagination.ts b/server/middlewares/validators/activitypub/pagination.ts
index c8ec34eb6..c542d4173 100644
--- a/server/middlewares/validators/activitypub/pagination.ts
+++ b/server/middlewares/validators/activitypub/pagination.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { query } from 'express-validator'
 import { PAGINATION } from '@server/initializers/constants'
 import { logger } from '../../../helpers/logger'
diff --git a/server/middlewares/validators/activitypub/signature.ts b/server/middlewares/validators/activitypub/signature.ts
index f2f7d5848..642bcefe0 100644
--- a/server/middlewares/validators/activitypub/signature.ts
+++ b/server/middlewares/validators/activitypub/signature.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import {
   isSignatureCreatorValid,
diff --git a/server/middlewares/validators/actor-image.ts b/server/middlewares/validators/actor-image.ts
index 49daadd61..c7e9f391c 100644
--- a/server/middlewares/validators/actor-image.ts
+++ b/server/middlewares/validators/actor-image.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import { isActorImageFile } from '@server/helpers/custom-validators/actor-images'
 import { cleanUpReqFiles } from '../../helpers/express-utils'
diff --git a/server/middlewares/validators/blocklist.ts b/server/middlewares/validators/blocklist.ts
index f15b293e9..b7749e204 100644
--- a/server/middlewares/validators/blocklist.ts
+++ b/server/middlewares/validators/blocklist.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param } from 'express-validator'
 import { getServerActor } from '@server/models/application/application'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
diff --git a/server/middlewares/validators/bulk.ts b/server/middlewares/validators/bulk.ts
index 6fec58149..1cfc7481e 100644
--- a/server/middlewares/validators/bulk.ts
+++ b/server/middlewares/validators/bulk.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import { isBulkRemoveCommentsOfScopeValid } from '@server/helpers/custom-validators/bulk'
 import { HttpStatusCode, UserRight } from '@shared/models'
diff --git a/server/middlewares/validators/config.ts b/server/middlewares/validators/config.ts
index 1aeadbe65..16a840667 100644
--- a/server/middlewares/validators/config.ts
+++ b/server/middlewares/validators/config.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import { isIntOrNull } from '@server/helpers/custom-validators/misc'
 import { isEmailEnabled } from '@server/initializers/config'
diff --git a/server/middlewares/validators/feeds.ts b/server/middlewares/validators/feeds.ts
index d29bebf64..f8ebaf6ed 100644
--- a/server/middlewares/validators/feeds.ts
+++ b/server/middlewares/validators/feeds.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { param, query } from 'express-validator'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
 import { isValidRSSFeed } from '../../helpers/custom-validators/feeds'
diff --git a/server/middlewares/validators/follows.ts b/server/middlewares/validators/follows.ts
index 16abdd096..df4cefe28 100644
--- a/server/middlewares/validators/follows.ts
+++ b/server/middlewares/validators/follows.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import { isEachUniqueHandleValid, isFollowStateValid, isRemoteHandleValid } from '@server/helpers/custom-validators/follows'
 import { loadActorUrlOrGetFromWebfinger } from '@server/lib/activitypub/actors'
diff --git a/server/middlewares/validators/jobs.ts b/server/middlewares/validators/jobs.ts
index 5d89d167f..4de90548b 100644
--- a/server/middlewares/validators/jobs.ts
+++ b/server/middlewares/validators/jobs.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { param, query } from 'express-validator'
 import { isValidJobState, isValidJobType } from '../../helpers/custom-validators/jobs'
 import { logger, loggerTagsFactory } from '../../helpers/logger'
diff --git a/server/middlewares/validators/logs.ts b/server/middlewares/validators/logs.ts
index c55baaee3..03c1c4df1 100644
--- a/server/middlewares/validators/logs.ts
+++ b/server/middlewares/validators/logs.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { query } from 'express-validator'
 import { isValidLogLevel } from '../../helpers/custom-validators/logs'
 import { isDateValid } from '../../helpers/custom-validators/misc'
diff --git a/server/middlewares/validators/oembed.ts b/server/middlewares/validators/oembed.ts
index e5fc0c277..5e47211b5 100644
--- a/server/middlewares/validators/oembed.ts
+++ b/server/middlewares/validators/oembed.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { query } from 'express-validator'
 import { join } from 'path'
 import { loadVideo } from '@server/lib/model-loaders'
diff --git a/server/middlewares/validators/pagination.ts b/server/middlewares/validators/pagination.ts
index 74eae251e..8e4922b9d 100644
--- a/server/middlewares/validators/pagination.ts
+++ b/server/middlewares/validators/pagination.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { query } from 'express-validator'
 import { PAGINATION } from '@server/initializers/constants'
 import { logger } from '../../helpers/logger'
diff --git a/server/middlewares/validators/plugins.ts b/server/middlewares/validators/plugins.ts
index 3fb2176b9..21171af23 100644
--- a/server/middlewares/validators/plugins.ts
+++ b/server/middlewares/validators/plugins.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query, ValidationChain } from 'express-validator'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
 import { PluginType } from '../../../shared/models/plugins/plugin.type'
diff --git a/server/middlewares/validators/redundancy.ts b/server/middlewares/validators/redundancy.ts
index f1b2ff5cd..d31b216f5 100644
--- a/server/middlewares/validators/redundancy.ts
+++ b/server/middlewares/validators/redundancy.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import { isVideoRedundancyTarget } from '@server/helpers/custom-validators/video-redundancies'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
diff --git a/server/middlewares/validators/search.ts b/server/middlewares/validators/search.ts
index 27d0e541d..e6ec8642a 100644
--- a/server/middlewares/validators/search.ts
+++ b/server/middlewares/validators/search.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { query } from 'express-validator'
 import { isSearchTargetValid } from '@server/helpers/custom-validators/search'
 import { isHostValid } from '@server/helpers/custom-validators/servers'
diff --git a/server/middlewares/validators/server.ts b/server/middlewares/validators/server.ts
index 29fdc13d2..10bbefe38 100644
--- a/server/middlewares/validators/server.ts
+++ b/server/middlewares/validators/server.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
 import { isHostValid, isValidContactBody } from '../../helpers/custom-validators/servers'
diff --git a/server/middlewares/validators/shared/utils.ts b/server/middlewares/validators/shared/utils.ts
index 4f08560af..5c66ad500 100644
--- a/server/middlewares/validators/shared/utils.ts
+++ b/server/middlewares/validators/shared/utils.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { param, query, validationResult } from 'express-validator'
 import { isIdOrUUIDValid, toCompleteUUID } from '@server/helpers/custom-validators/misc'
 import { logger } from '../../../helpers/logger'
diff --git a/server/middlewares/validators/shared/video-channels.ts b/server/middlewares/validators/shared/video-channels.ts
index 3fc3d012a..7c0c89267 100644
--- a/server/middlewares/validators/shared/video-channels.ts
+++ b/server/middlewares/validators/shared/video-channels.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { VideoChannelModel } from '@server/models/video/video-channel'
 import { MChannelBannerAccountDefault } from '@server/types/models'
 import { HttpStatusCode } from '@shared/models'
diff --git a/server/middlewares/validators/shared/video-comments.ts b/server/middlewares/validators/shared/video-comments.ts
index 60132fb6e..386ae911f 100644
--- a/server/middlewares/validators/shared/video-comments.ts
+++ b/server/middlewares/validators/shared/video-comments.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { VideoCommentModel } from '@server/models/video/video-comment'
 import { MVideoId } from '@server/types/models'
 import { HttpStatusCode } from '@shared/models'
diff --git a/server/middlewares/validators/shared/video-imports.ts b/server/middlewares/validators/shared/video-imports.ts
index 50b49ffcb..69fda4b32 100644
--- a/server/middlewares/validators/shared/video-imports.ts
+++ b/server/middlewares/validators/shared/video-imports.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { VideoImportModel } from '@server/models/video/video-import'
 import { HttpStatusCode } from '@shared/models'
 
diff --git a/server/middlewares/validators/shared/video-ownerships.ts b/server/middlewares/validators/shared/video-ownerships.ts
index 93a23ef40..680613cda 100644
--- a/server/middlewares/validators/shared/video-ownerships.ts
+++ b/server/middlewares/validators/shared/video-ownerships.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { VideoChangeOwnershipModel } from '@server/models/video/video-change-ownership'
 import { HttpStatusCode } from '@shared/models'
 
diff --git a/server/middlewares/validators/shared/video-playlists.ts b/server/middlewares/validators/shared/video-playlists.ts
index 3f6768179..4342fe552 100644
--- a/server/middlewares/validators/shared/video-playlists.ts
+++ b/server/middlewares/validators/shared/video-playlists.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { VideoPlaylistModel } from '@server/models/video/video-playlist'
 import { MVideoPlaylist } from '@server/types/models'
 import { HttpStatusCode } from '@shared/models'
diff --git a/server/middlewares/validators/themes.ts b/server/middlewares/validators/themes.ts
index 2953b9505..7b9fee858 100644
--- a/server/middlewares/validators/themes.ts
+++ b/server/middlewares/validators/themes.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { param } from 'express-validator'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
 import { isSafePath } from '../../helpers/custom-validators/misc'
diff --git a/server/middlewares/validators/user-history.ts b/server/middlewares/validators/user-history.ts
index 1db0d9b26..f9be26627 100644
--- a/server/middlewares/validators/user-history.ts
+++ b/server/middlewares/validators/user-history.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, query } from 'express-validator'
 import { exists, isDateValid } from '../../helpers/custom-validators/misc'
 import { logger } from '../../helpers/logger'
diff --git a/server/middlewares/validators/user-notifications.ts b/server/middlewares/validators/user-notifications.ts
index 2f8e7686e..4a7577d32 100644
--- a/server/middlewares/validators/user-notifications.ts
+++ b/server/middlewares/validators/user-notifications.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, query } from 'express-validator'
 import { isNotEmptyIntArray, toBooleanOrNull } from '../../helpers/custom-validators/misc'
 import { isUserNotificationSettingValid } from '../../helpers/custom-validators/user-notifications'
diff --git a/server/middlewares/validators/user-subscriptions.ts b/server/middlewares/validators/user-subscriptions.ts
index df5777771..48ce90d7b 100644
--- a/server/middlewares/validators/user-subscriptions.ts
+++ b/server/middlewares/validators/user-subscriptions.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
 import { areValidActorHandles, isValidActorHandle } from '../../helpers/custom-validators/activitypub/actor'
diff --git a/server/middlewares/validators/users.ts b/server/middlewares/validators/users.ts
index c6977fcd9..c06b85862 100644
--- a/server/middlewares/validators/users.ts
+++ b/server/middlewares/validators/users.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import { omit } from 'lodash'
 import { Hooks } from '@server/lib/plugins/hooks'
diff --git a/server/middlewares/validators/videos/video-blacklist.ts b/server/middlewares/validators/videos/video-blacklist.ts
index 3a4937b7b..de11e69f2 100644
--- a/server/middlewares/validators/videos/video-blacklist.ts
+++ b/server/middlewares/validators/videos/video-blacklist.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, query } from 'express-validator'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { isBooleanValid, toBooleanOrNull, toIntOrNull } from '../../../helpers/custom-validators/misc'
diff --git a/server/middlewares/validators/videos/video-captions.ts b/server/middlewares/validators/videos/video-captions.ts
index 6bc127e01..38321ccf9 100644
--- a/server/middlewares/validators/videos/video-captions.ts
+++ b/server/middlewares/validators/videos/video-captions.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param } from 'express-validator'
 import { UserRight } from '../../../../shared'
 import { isVideoCaptionFile, isVideoCaptionLanguageValid } from '../../../helpers/custom-validators/video-captions'
diff --git a/server/middlewares/validators/videos/video-channels.ts b/server/middlewares/validators/videos/video-channels.ts
index 3b5693d23..fc717abf6 100644
--- a/server/middlewares/validators/videos/video-channels.ts
+++ b/server/middlewares/validators/videos/video-channels.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import { VIDEO_CHANNELS } from '@server/initializers/constants'
 import { MChannelAccountDefault, MUser } from '@server/types/models'
diff --git a/server/middlewares/validators/videos/video-comments.ts b/server/middlewares/validators/videos/video-comments.ts
index 61c2ed92f..3ea8bdcbb 100644
--- a/server/middlewares/validators/videos/video-comments.ts
+++ b/server/middlewares/validators/videos/video-comments.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import { MUserAccountUrl } from '@server/types/models'
 import { UserRight } from '../../../../shared'
diff --git a/server/middlewares/validators/videos/video-imports.ts b/server/middlewares/validators/videos/video-imports.ts
index 52b839e56..640139c73 100644
--- a/server/middlewares/validators/videos/video-imports.ts
+++ b/server/middlewares/validators/videos/video-imports.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import { isPreImportVideoAccepted } from '@server/lib/moderation'
 import { Hooks } from '@server/lib/plugins/hooks'
diff --git a/server/middlewares/validators/videos/video-live.ts b/server/middlewares/validators/videos/video-live.ts
index 97e8b4510..6c7601e05 100644
--- a/server/middlewares/validators/videos/video-live.ts
+++ b/server/middlewares/validators/videos/video-live.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import { CONSTRAINTS_FIELDS } from '@server/initializers/constants'
 import { isLocalLiveVideoAccepted } from '@server/lib/moderation'
diff --git a/server/middlewares/validators/videos/video-ownership-changes.ts b/server/middlewares/validators/videos/video-ownership-changes.ts
index a7f0b72c3..95e4cebce 100644
--- a/server/middlewares/validators/videos/video-ownership-changes.ts
+++ b/server/middlewares/validators/videos/video-ownership-changes.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { param } from 'express-validator'
 import { isIdValid } from '@server/helpers/custom-validators/misc'
 import { checkUserCanTerminateOwnershipChange } from '@server/helpers/custom-validators/video-ownership'
diff --git a/server/middlewares/validators/videos/video-playlists.ts b/server/middlewares/validators/videos/video-playlists.ts
index ab84b4814..8f5c75fd5 100644
--- a/server/middlewares/validators/videos/video-playlists.ts
+++ b/server/middlewares/validators/videos/video-playlists.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query, ValidationChain } from 'express-validator'
 import { ExpressPromiseHandler } from '@server/types/express'
 import { MUserAccountId } from '@server/types/models'
diff --git a/server/middlewares/validators/videos/video-rates.ts b/server/middlewares/validators/videos/video-rates.ts
index 5fe78b39e..6e0bb0ad1 100644
--- a/server/middlewares/validators/videos/video-rates.ts
+++ b/server/middlewares/validators/videos/video-rates.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, param, query } from 'express-validator'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { VideoRateType } from '../../../../shared/models/videos'
diff --git a/server/middlewares/validators/videos/video-shares.ts b/server/middlewares/validators/videos/video-shares.ts
index 3b8d61768..0f04032bb 100644
--- a/server/middlewares/validators/videos/video-shares.ts
+++ b/server/middlewares/validators/videos/video-shares.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { param } from 'express-validator'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { isIdValid } from '../../../helpers/custom-validators/misc'
diff --git a/server/middlewares/validators/videos/video-watch.ts b/server/middlewares/validators/videos/video-watch.ts
index 431515eb1..d83710a64 100644
--- a/server/middlewares/validators/videos/video-watch.ts
+++ b/server/middlewares/validators/videos/video-watch.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body } from 'express-validator'
 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
 import { toIntOrNull } from '../../../helpers/custom-validators/misc'
diff --git a/server/middlewares/validators/videos/videos.ts b/server/middlewares/validators/videos/videos.ts
index 13187f398..23ee9778a 100644
--- a/server/middlewares/validators/videos/videos.ts
+++ b/server/middlewares/validators/videos/videos.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { body, header, param, query, ValidationChain } from 'express-validator'
 import { getResumableUploadPath } from '@server/helpers/upload'
 import { isAbleToUploadVideo } from '@server/lib/user'
diff --git a/server/middlewares/validators/webfinger.ts b/server/middlewares/validators/webfinger.ts
index 131360820..8893a0c7e 100644
--- a/server/middlewares/validators/webfinger.ts
+++ b/server/middlewares/validators/webfinger.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { query } from 'express-validator'
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
 import { isWebfingerLocalResourceValid } from '../../helpers/custom-validators/webfinger'
diff --git a/server/models/application/application.ts b/server/models/application/application.ts
index 5531d134a..e3939383b 100644
--- a/server/models/application/application.ts
+++ b/server/models/application/application.ts
@@ -1,4 +1,4 @@
-import * as memoizee from 'memoizee'
+import memoizee from 'memoizee'
 import { AllowNull, Column, Default, DefaultScope, HasOne, IsInt, Model, Table } from 'sequelize-typescript'
 import { AttributesOnly } from '@shared/core-utils'
 import { AccountModel } from '../account/account'
diff --git a/server/models/model-cache.ts b/server/models/model-cache.ts
index eafb5c13c..3651267e7 100644
--- a/server/models/model-cache.ts
+++ b/server/models/model-cache.ts
@@ -1,5 +1,4 @@
 import { Model } from 'sequelize-typescript'
-import * as Bluebird from 'bluebird'
 import { logger } from '@server/helpers/logger'
 
 type ModelCacheType =
@@ -52,7 +51,7 @@ class ModelCache {
 
     if (cache.has(key)) {
       logger.debug('Model cache hit for %s -> %s.', cacheType, key)
-      return Bluebird.resolve<T>(cache.get(key))
+      return Promise.resolve<T>(cache.get(key))
     }
 
     return fun().then(m => {
diff --git a/server/models/video/video-comment.ts b/server/models/video/video-comment.ts
index e933989ae..c89279c65 100644
--- a/server/models/video/video-comment.ts
+++ b/server/models/video/video-comment.ts
@@ -585,7 +585,7 @@ export class VideoCommentModel extends Model<Partial<AttributesOnly<VideoComment
 
     if (accountId) {
       whereAnd.push({
-        [Op.eq]: accountId
+        accountId
       })
     }
 
diff --git a/server/models/video/video-file.ts b/server/models/video/video-file.ts
index 627c95763..5e8d29d0a 100644
--- a/server/models/video/video-file.ts
+++ b/server/models/video/video-file.ts
@@ -1,5 +1,5 @@
 import { remove } from 'fs-extra'
-import * as memoizee from 'memoizee'
+import memoizee from 'memoizee'
 import { join } from 'path'
 import { FindOptions, Op, Transaction } from 'sequelize'
 import {
diff --git a/server/models/video/video-streaming-playlist.ts b/server/models/video/video-streaming-playlist.ts
index 3e9fd97c7..18d96c750 100644
--- a/server/models/video/video-streaming-playlist.ts
+++ b/server/models/video/video-streaming-playlist.ts
@@ -1,4 +1,4 @@
-import * as memoizee from 'memoizee'
+import memoizee from 'memoizee'
 import { join } from 'path'
 import { Op } from 'sequelize'
 import {
diff --git a/server/models/video/video-view.ts b/server/models/video/video-view.ts
index dfc6296ce..b51f0f84d 100644
--- a/server/models/video/video-view.ts
+++ b/server/models/video/video-view.ts
@@ -1,5 +1,5 @@
-import * as Sequelize from 'sequelize'
-import { AllowNull, BelongsTo, Column, CreatedAt, ForeignKey, Model, Table } from 'sequelize-typescript'
+import { literal, Op } from 'sequelize'
+import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Model, Table } from 'sequelize-typescript'
 import { AttributesOnly } from '@shared/core-utils'
 import { VideoModel } from './video'
 
@@ -20,11 +20,11 @@ export class VideoViewModel extends Model<Partial<AttributesOnly<VideoViewModel>
   createdAt: Date
 
   @AllowNull(false)
-  @Column(Sequelize.DATE)
+  @Column(DataType.DATE)
   startDate: Date
 
   @AllowNull(false)
-  @Column(Sequelize.DATE)
+  @Column(DataType.DATE)
   endDate: Date
 
   @AllowNull(false)
@@ -47,10 +47,10 @@ export class VideoViewModel extends Model<Partial<AttributesOnly<VideoViewModel>
     const query = {
       where: {
         startDate: {
-          [Sequelize.Op.lt]: beforeDate
+          [Op.lt]: beforeDate
         },
         videoId: {
-          [Sequelize.Op.in]: Sequelize.literal('(SELECT "id" FROM "video" WHERE "remote" IS TRUE)')
+          [Op.in]: literal('(SELECT "id" FROM "video" WHERE "remote" IS TRUE)')
         }
       }
     }
diff --git a/server/models/video/video.ts b/server/models/video/video.ts
index 874ad168a..e0c4dd2db 100644
--- a/server/models/video/video.ts
+++ b/server/models/video/video.ts
@@ -1,4 +1,4 @@
-import * as Bluebird from 'bluebird'
+import Bluebird from 'bluebird'
 import { remove } from 'fs-extra'
 import { maxBy, minBy } from 'lodash'
 import { join } from 'path'
diff --git a/server/tests/api/redundancy/redundancy.ts b/server/tests/api/redundancy/redundancy.ts
index fe42e5fa8..86b40cfe6 100644
--- a/server/tests/api/redundancy/redundancy.ts
+++ b/server/tests/api/redundancy/redundancy.ts
@@ -3,7 +3,7 @@
 import 'mocha'
 import * as chai from 'chai'
 import { readdir } from 'fs-extra'
-import * as magnetUtil from 'magnet-uri'
+import magnetUtil from 'magnet-uri'
 import { basename, join } from 'path'
 import {
   checkSegmentHash,
diff --git a/server/tests/api/server/no-client.ts b/server/tests/api/server/no-client.ts
index 719813ae9..1e0c95a3b 100644
--- a/server/tests/api/server/no-client.ts
+++ b/server/tests/api/server/no-client.ts
@@ -1,5 +1,5 @@
 import 'mocha'
-import * as request from 'supertest'
+import request from 'supertest'
 import { cleanupTests, createSingleServer, PeerTubeServer } from '@shared/extra-utils'
 import { HttpStatusCode } from '@shared/models'
 
diff --git a/server/tests/api/server/tracker.ts b/server/tests/api/server/tracker.ts
index f597ac60c..30a9618b3 100644
--- a/server/tests/api/server/tracker.ts
+++ b/server/tests/api/server/tracker.ts
@@ -1,8 +1,8 @@
 /* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await,@typescript-eslint/no-floating-promises */
 
 import 'mocha'
-import * as magnetUtil from 'magnet-uri'
-import * as WebTorrent from 'webtorrent'
+import magnetUtil from 'magnet-uri'
+import WebTorrent from 'webtorrent'
 import { cleanupTests, createSingleServer, killallServers, PeerTubeServer, setAccessTokensToServers } from '@shared/extra-utils'
 
 describe('Test tracker', function () {
diff --git a/server/tests/api/videos/multiple-servers.ts b/server/tests/api/videos/multiple-servers.ts
index f9220e4b3..df9deb1e1 100644
--- a/server/tests/api/videos/multiple-servers.ts
+++ b/server/tests/api/videos/multiple-servers.ts
@@ -2,7 +2,7 @@
 
 import 'mocha'
 import * as chai from 'chai'
-import * as request from 'supertest'
+import request from 'supertest'
 import {
   buildAbsoluteFixturePath,
   checkTmpIsEmpty,
diff --git a/server/tests/feeds/feeds.ts b/server/tests/feeds/feeds.ts
index 55b434846..a1c976fd3 100644
--- a/server/tests/feeds/feeds.ts
+++ b/server/tests/feeds/feeds.ts
@@ -2,7 +2,7 @@
 
 import 'mocha'
 import * as chai from 'chai'
-import * as xmlParser from 'fast-xml-parser'
+import { parse, validate } from 'fast-xml-parser'
 import {
   cleanupTests,
   createMultipleServers,
@@ -149,9 +149,9 @@ describe('Test syndication feeds', () => {
     it('Should contain a valid enclosure (covers RSS 2.0 endpoint)', async function () {
       for (const server of servers) {
         const rss = await server.feed.getXML({ feed: 'videos' })
-        expect(xmlParser.validate(rss)).to.be.true
+        expect(validate(rss)).to.be.true
 
-        const xmlDoc = xmlParser.parse(rss, { parseAttributeValue: true, ignoreAttributes: false })
+        const xmlDoc = parse(rss, { parseAttributeValue: true, ignoreAttributes: false })
 
         const enclosure = xmlDoc.rss.channel.item[0].enclosure
         expect(enclosure).to.exist
diff --git a/server/tools/peertube-auth.ts b/server/tools/peertube-auth.ts
index b9f4ef4f8..afa19ee08 100644
--- a/server/tools/peertube-auth.ts
+++ b/server/tools/peertube-auth.ts
@@ -4,10 +4,11 @@ import { registerTSPaths } from '../helpers/register-ts-paths'
 registerTSPaths()
 
 import { OptionValues, program } from 'commander'
-import * as prompt from 'prompt'
 import { assignToken, buildServer, getNetrc, getSettings, writeSettings } from './cli'
 import { isUserUsernameValid } from '../helpers/custom-validators/users'
-import * as CliTable3 from 'cli-table3'
+import CliTable3 from 'cli-table3'
+
+import prompt = require('prompt')
 
 async function delInstance (url: string) {
   const [ settings, netrc ] = await Promise.all([ getSettings(), getNetrc() ])
diff --git a/server/tools/peertube-import-videos.ts b/server/tools/peertube-import-videos.ts
index 488109b7a..758b561e1 100644
--- a/server/tools/peertube-import-videos.ts
+++ b/server/tools/peertube-import-videos.ts
@@ -6,7 +6,6 @@ import { accessSync, constants } from 'fs'
 import { remove } from 'fs-extra'
 import { truncate } from 'lodash'
 import { join } from 'path'
-import * as prompt from 'prompt'
 import { promisify } from 'util'
 import { YoutubeDL } from '@server/helpers/youtube-dl'
 import { sha256 } from '../helpers/core-utils'
@@ -22,6 +21,8 @@ import {
 } from './cli'
 import { PeerTubeServer } from '@shared/extra-utils'
 
+import prompt = require('prompt')
+
 const processOptions = {
   maxBuffer: Infinity
 }
diff --git a/server/tools/peertube-plugins.ts b/server/tools/peertube-plugins.ts
index d9c285115..ae625114d 100644
--- a/server/tools/peertube-plugins.ts
+++ b/server/tools/peertube-plugins.ts
@@ -7,7 +7,7 @@ import { program, Command, OptionValues } from 'commander'
 import { assignToken, buildServer, getServerCredentials } from './cli'
 import { PluginType } from '../../shared/models'
 import { isAbsolute } from 'path'
-import * as CliTable3 from 'cli-table3'
+import CliTable3 from 'cli-table3'
 
 program
   .name('plugins')
diff --git a/server/tools/peertube-redundancy.ts b/server/tools/peertube-redundancy.ts
index 73b026ac8..7e27ca49e 100644
--- a/server/tools/peertube-redundancy.ts
+++ b/server/tools/peertube-redundancy.ts
@@ -1,7 +1,7 @@
 import { registerTSPaths } from '../helpers/register-ts-paths'
 registerTSPaths()
 
-import * as CliTable3 from 'cli-table3'
+import CliTable3 from 'cli-table3'
 import { Command, program } from 'commander'
 import { uniq } from 'lodash'
 import { URL } from 'url'
diff --git a/server/types/plugins/register-server-auth.model.ts b/server/types/plugins/register-server-auth.model.ts
index 3e1a5aeba..79c18c406 100644
--- a/server/types/plugins/register-server-auth.model.ts
+++ b/server/types/plugins/register-server-auth.model.ts
@@ -1,4 +1,4 @@
-import * as express from 'express'
+import express from 'express'
 import { UserRole } from '@shared/models'
 import { MOAuthToken, MUser } from '../models'