Move config in its own file

79 files changed, 523 insertions, 458 deletions

diff --git a/server/controllers/activitypub/client.ts b/server/controllers/activitypub/client.ts
index e06aa35f4..f47fae766 100644
--- a/server/controllers/activitypub/client.ts
+++ b/server/controllers/activitypub/client.ts
@@ -2,7 +2,7 @@
 import * as express from 'express'
 import { VideoPrivacy, VideoRateType } from '../../../shared/models/videos'
 import { activityPubCollectionPagination, activityPubContextify } from '../../helpers/activitypub'
-import { CONFIG, ROUTE_CACHE_LIFETIME } from '../../initializers'
+import { ROUTE_CACHE_LIFETIME, WEBSERVER } from '../../initializers'
 import { buildAnnounceWithVideoAudience, buildLikeActivity } from '../../lib/activitypub/send'
 import { audiencify, getAudience } from '../../lib/activitypub/audience'
 import { buildCreateActivity } from '../../lib/activitypub/send/send-create'
@@ -19,7 +19,6 @@ import { AccountModel } from '../../models/account/account'
 import { ActorModel } from '../../models/activitypub/actor'
 import { ActorFollowModel } from '../../models/activitypub/actor-follow'
 import { VideoModel } from '../../models/video/video'
-import { VideoChannelModel } from '../../models/video/video-channel'
 import { VideoCommentModel } from '../../models/video/video-comment'
 import { VideoShareModel } from '../../models/video/video-share'
 import { cacheRoute } from '../../middlewares/cache'
@@ -35,11 +34,9 @@ import {
 import { VideoCaptionModel } from '../../models/video/video-caption'
 import { videoFileRedundancyGetValidator, videoPlaylistRedundancyGetValidator } from '../../middlewares/validators/redundancy'
 import { getServerActor } from '../../helpers/utils'
-import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
 import { buildDislikeActivity } from '../../lib/activitypub/send/send-dislike'
 import { videoPlaylistElementAPGetValidator, videoPlaylistsGetValidator } from '../../middlewares/validators/videos/video-playlists'
 import { VideoPlaylistModel } from '../../models/video/video-playlist'
-import { VideoPlaylistElementModel } from '../../models/video/video-playlist-element'
 import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
 
 const activityPubClientRouter = express.Router()
@@ -213,7 +210,7 @@ async function videoController (req: express.Request, res: express.Response) {
   // We need more attributes
   const video = await VideoModel.loadForGetAPI(res.locals.video.id)
 
-  if (video.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(video.url)
+  if (video.url.startsWith(WEBSERVER.URL) === false) return res.redirect(video.url)
 
   // We need captions to render AP object
   video.VideoCaptions = await VideoCaptionModel.listVideoCaptions(video.id)
@@ -232,7 +229,7 @@ async function videoController (req: express.Request, res: express.Response) {
 async function videoAnnounceController (req: express.Request, res: express.Response) {
   const share = res.locals.videoShare
 
-  if (share.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(share.url)
+  if (share.url.startsWith(WEBSERVER.URL) === false) return res.redirect(share.url)
 
   const { activity } = await buildAnnounceWithVideoAudience(share.Actor, share, res.locals.video, undefined)
 
@@ -306,7 +303,7 @@ async function videoChannelFollowingController (req: express.Request, res: expre
 async function videoCommentController (req: express.Request, res: express.Response) {
   const videoComment = res.locals.videoComment
 
-  if (videoComment.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(videoComment.url)
+  if (videoComment.url.startsWith(WEBSERVER.URL) === false) return res.redirect(videoComment.url)
 
   const threadParentComments = await VideoCommentModel.listThreadParentComments(videoComment, undefined)
   const isPublic = true // Comments are always public
@@ -324,7 +321,7 @@ async function videoCommentController (req: express.Request, res: express.Respon
 
 async function videoRedundancyController (req: express.Request, res: express.Response) {
   const videoRedundancy = res.locals.videoRedundancy
-  if (videoRedundancy.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(videoRedundancy.url)
+  if (videoRedundancy.url.startsWith(WEBSERVER.URL) === false) return res.redirect(videoRedundancy.url)
 
   const serverActor = await getServerActor()
 
@@ -366,7 +363,7 @@ async function actorFollowing (req: express.Request, actor: ActorModel) {
     return ActorFollowModel.listAcceptedFollowingUrlsForApi([ actor.id ], undefined, start, count)
   }
 
-  return activityPubCollectionPagination(CONFIG.WEBSERVER.URL + req.path, handler, req.query.page)
+  return activityPubCollectionPagination(WEBSERVER.URL + req.path, handler, req.query.page)
 }
 
 async function actorFollowers (req: express.Request, actor: ActorModel) {
@@ -374,7 +371,7 @@ async function actorFollowers (req: express.Request, actor: ActorModel) {
     return ActorFollowModel.listAcceptedFollowerUrlsForAP([ actor.id ], undefined, start, count)
   }
 
-  return activityPubCollectionPagination(CONFIG.WEBSERVER.URL + req.path, handler, req.query.page)
+  return activityPubCollectionPagination(WEBSERVER.URL + req.path, handler, req.query.page)
 }
 
 async function actorPlaylists (req: express.Request, account: AccountModel) {
@@ -382,7 +379,7 @@ async function actorPlaylists (req: express.Request, account: AccountModel) {
     return VideoPlaylistModel.listPublicUrlsOfForAP(account.id, start, count)
   }
 
-  return activityPubCollectionPagination(CONFIG.WEBSERVER.URL + req.path, handler, req.query.page)
+  return activityPubCollectionPagination(WEBSERVER.URL + req.path, handler, req.query.page)
 }
 
 function videoRates (req: express.Request, rateType: VideoRateType, video: VideoModel, url: string) {
diff --git a/server/controllers/api/config.ts b/server/controllers/api/config.ts
index 0d7fc8625..cdbccaa7d 100644
--- a/server/controllers/api/config.ts
+++ b/server/controllers/api/config.ts
@@ -4,7 +4,7 @@ import { ServerConfig, UserRight } from '../../../shared'
 import { About } from '../../../shared/models/server/about.model'
 import { CustomConfig } from '../../../shared/models/server/custom-config.model'
 import { isSignupAllowed, isSignupAllowedForCurrentIP } from '../../helpers/signup'
-import { CONFIG, CONSTRAINTS_FIELDS, reloadConfig } from '../../initializers'
+import { CONSTRAINTS_FIELDS } from '../../initializers'
 import { asyncMiddleware, authenticate, ensureUserHasRight } from '../../middlewares'
 import { customConfigUpdateValidator } from '../../middlewares/validators/config'
 import { ClientHtml } from '../../lib/client-html'
@@ -14,6 +14,7 @@ import { getServerCommit } from '../../helpers/utils'
 import { Emailer } from '../../lib/emailer'
 import { isNumeric } from 'validator'
 import { objectConverter } from '../../helpers/core-utils'
+import { CONFIG, reloadConfig } from '../../initializers/config'
 
 const packageJSON = require('../../../../package.json')
 const configRouter = express.Router()
diff --git a/server/controllers/api/oauth-clients.ts b/server/controllers/api/oauth-clients.ts
index 3dcc023e6..b2de8bcf5 100644
--- a/server/controllers/api/oauth-clients.ts
+++ b/server/controllers/api/oauth-clients.ts
@@ -1,7 +1,7 @@
 import * as express from 'express'
 import { OAuthClientLocal } from '../../../shared'
 import { logger } from '../../helpers/logger'
-import { CONFIG } from '../../initializers'
+import { CONFIG } from '../../initializers/config'
 import { asyncMiddleware } from '../../middlewares'
 import { OAuthClientModel } from '../../models/oauth/oauth-client'
 
diff --git a/server/controllers/api/server/logs.ts b/server/controllers/api/server/logs.ts
index 5fa3c8787..bbbfa1d80 100644
--- a/server/controllers/api/server/logs.ts
+++ b/server/controllers/api/server/logs.ts
@@ -3,10 +3,11 @@ import { UserRight } from '../../../../shared/models/users'
 import { asyncMiddleware, authenticate, ensureUserHasRight } from '../../../middlewares'
 import { mtimeSortFilesDesc } from '../../../../shared/utils/logs/logs'
 import { readdir, readFile } from 'fs-extra'
-import { CONFIG, MAX_LOGS_OUTPUT_CHARACTERS } from '../../../initializers'
+import { MAX_LOGS_OUTPUT_CHARACTERS } from '../../../initializers'
 import { join } from 'path'
 import { getLogsValidator } from '../../../middlewares/validators/logs'
 import { LogLevel } from '../../../../shared/models/server/log-level.type'
+import { CONFIG } from '../../../initializers/config'
 
 const logsRouter = express.Router()
 
diff --git a/server/controllers/api/server/stats.ts b/server/controllers/api/server/stats.ts
index 89ffd1717..951b98209 100644
--- a/server/controllers/api/server/stats.ts
+++ b/server/controllers/api/server/stats.ts
@@ -6,9 +6,10 @@ import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
 import { VideoModel } from '../../../models/video/video'
 import { VideoCommentModel } from '../../../models/video/video-comment'
 import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
-import { CONFIG, ROUTE_CACHE_LIFETIME } from '../../../initializers/constants'
+import { ROUTE_CACHE_LIFETIME } from '../../../initializers/constants'
 import { cacheRoute } from '../../../middlewares/cache'
 import { VideoFileModel } from '../../../models/video/video-file'
+import { CONFIG } from '../../../initializers/config'
 
 const statsRouter = express.Router()
 
diff --git a/server/controllers/api/users/index.ts b/server/controllers/api/users/index.ts
index 2117bdfeb..a049e23e4 100644
--- a/server/controllers/api/users/index.ts
+++ b/server/controllers/api/users/index.ts
@@ -3,7 +3,7 @@ import * as RateLimit from 'express-rate-limit'
 import { UserCreate, UserRight, UserRole, UserUpdate } from '../../../../shared'
 import { logger } from '../../../helpers/logger'
 import { getFormattedObjects } from '../../../helpers/utils'
-import { CONFIG, RATES_LIMIT, sequelizeTypescript } from '../../../initializers'
+import { RATES_LIMIT, sequelizeTypescript, WEBSERVER } from '../../../initializers'
 import { Emailer } from '../../../lib/emailer'
 import { Redis } from '../../../lib/redis'
 import { createUserAccountAndChannelAndPlaylist } from '../../../lib/user'
@@ -43,6 +43,7 @@ import { myVideosHistoryRouter } from './my-history'
 import { myNotificationsRouter } from './my-notifications'
 import { Notifier } from '../../../lib/notifier'
 import { mySubscriptionsRouter } from './my-subscriptions'
+import { CONFIG } from '../../../initializers/config'
 
 const auditLogger = auditLoggerFactory('users')
 
@@ -293,7 +294,7 @@ async function askResetUserPassword (req: express.Request, res: express.Response
   const user = res.locals.user
 
   const verificationString = await Redis.Instance.setResetPasswordVerificationString(user.id)
-  const url = CONFIG.WEBSERVER.URL + '/reset-password?userId=' + user.id + '&verificationString=' + verificationString
+  const url = WEBSERVER.URL + '/reset-password?userId=' + user.id + '&verificationString=' + verificationString
   await Emailer.Instance.addPasswordResetEmailJob(user.email, url)
 
   return res.status(204).end()
@@ -310,7 +311,7 @@ async function resetUserPassword (req: express.Request, res: express.Response) {
 
 async function sendVerifyUserEmail (user: UserModel) {
   const verificationString = await Redis.Instance.setVerifyEmailVerificationString(user.id)
-  const url = CONFIG.WEBSERVER.URL + '/verify-account/email?userId=' + user.id + '&verificationString=' + verificationString
+  const url = WEBSERVER.URL + '/verify-account/email?userId=' + user.id + '&verificationString=' + verificationString
   await Emailer.Instance.addVerifyEmailJob(user.email, url)
   return
 }
diff --git a/server/controllers/api/users/me.ts b/server/controllers/api/users/me.ts
index 3533499be..1d1588eca 100644
--- a/server/controllers/api/users/me.ts
+++ b/server/controllers/api/users/me.ts
@@ -2,7 +2,7 @@ import * as express from 'express'
 import 'multer'
 import { UserUpdateMe, UserVideoRate as FormattedUserVideoRate } from '../../../../shared'
 import { getFormattedObjects } from '../../../helpers/utils'
-import { CONFIG, MIMETYPES, sequelizeTypescript } from '../../../initializers'
+import { MIMETYPES, sequelizeTypescript } from '../../../initializers'
 import { sendUpdateActor } from '../../../lib/activitypub/send'
 import {
   asyncMiddleware,
@@ -26,6 +26,7 @@ import { updateActorAvatarFile } from '../../../lib/avatar'
 import { auditLoggerFactory, getAuditIdFromRes, UserAuditView } from '../../../helpers/audit-logger'
 import { VideoImportModel } from '../../../models/video/video-import'
 import { AccountModel } from '../../../models/account/account'
+import { CONFIG } from '../../../initializers/config'
 
 const auditLogger = auditLoggerFactory('users-me')
 
diff --git a/server/controllers/api/users/my-subscriptions.ts b/server/controllers/api/users/my-subscriptions.ts
index a173adfd0..59b906a8b 100644
--- a/server/controllers/api/users/my-subscriptions.ts
+++ b/server/controllers/api/users/my-subscriptions.ts
@@ -1,7 +1,7 @@
 import * as express from 'express'
 import 'multer'
 import { getFormattedObjects } from '../../../helpers/utils'
-import { CONFIG, sequelizeTypescript } from '../../../initializers'
+import { sequelizeTypescript, WEBSERVER } from '../../../initializers'
 import {
   asyncMiddleware,
   asyncRetryTransactionMiddleware,
@@ -80,7 +80,7 @@ async function areSubscriptionsExist (req: express.Request, res: express.Respons
 
   const handles = uris.map(u => {
     let [ name, host ] = u.split('@')
-    if (host === CONFIG.WEBSERVER.HOST) host = null
+    if (host === WEBSERVER.HOST) host = null
 
     return { name, host, uri: u }
   })
diff --git a/server/controllers/api/video-channel.ts b/server/controllers/api/video-channel.ts
index 5881cab41..b79ce9cec 100644
--- a/server/controllers/api/video-channel.ts
+++ b/server/controllers/api/video-channel.ts
@@ -23,7 +23,7 @@ import { createVideoChannel } from '../../lib/video-channel'
 import { buildNSFWFilter, createReqFiles, isUserAbleToSearchRemoteURI } from '../../helpers/express-utils'
 import { setAsyncActorKeys } from '../../lib/activitypub'
 import { AccountModel } from '../../models/account/account'
-import { CONFIG, MIMETYPES, sequelizeTypescript } from '../../initializers'
+import { MIMETYPES, sequelizeTypescript } from '../../initializers'
 import { logger } from '../../helpers/logger'
 import { VideoModel } from '../../models/video/video'
 import { updateAvatarValidator } from '../../middlewares/validators/avatar'
@@ -33,6 +33,7 @@ import { resetSequelizeInstance } from '../../helpers/database-utils'
 import { JobQueue } from '../../lib/job-queue'
 import { VideoPlaylistModel } from '../../models/video/video-playlist'
 import { commonVideoPlaylistFiltersValidator } from '../../middlewares/validators/videos/video-playlists'
+import { CONFIG } from '../../initializers/config'
 
 const auditLogger = auditLoggerFactory('channels')
 const reqAvatarFile = createReqFiles([ 'avatarfile' ], MIMETYPES.IMAGE.MIMETYPE_EXT, { avatarfile: CONFIG.STORAGE.TMP_DIR })
diff --git a/server/controllers/api/video-playlist.ts b/server/controllers/api/video-playlist.ts
index feba30564..5a3d6a29d 100644
--- a/server/controllers/api/video-playlist.ts
+++ b/server/controllers/api/video-playlist.ts
@@ -12,7 +12,7 @@ import {
 } from '../../middlewares'
 import { videoPlaylistsSortValidator } from '../../middlewares/validators'
 import { buildNSFWFilter, createReqFiles, isUserAbleToSearchRemoteURI } from '../../helpers/express-utils'
-import { CONFIG, MIMETYPES, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers'
+import { MIMETYPES, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers'
 import { logger } from '../../helpers/logger'
 import { resetSequelizeInstance } from '../../helpers/database-utils'
 import { VideoPlaylistModel } from '../../models/video/video-playlist'
@@ -41,6 +41,7 @@ import { copy, pathExists } from 'fs-extra'
 import { AccountModel } from '../../models/account/account'
 import { VideoPlaylistReorder } from '../../../shared/models/videos/playlist/video-playlist-reorder.model'
 import { JobQueue } from '../../lib/job-queue'
+import { CONFIG } from '../../initializers/config'
 
 const reqThumbnailFile = createReqFiles([ 'thumbnailfile' ], MIMETYPES.IMAGE.MIMETYPE_EXT, { thumbnailfile: CONFIG.STORAGE.TMP_DIR })
 
diff --git a/server/controllers/api/videos/captions.ts b/server/controllers/api/videos/captions.ts
index 2694577d8..7dd36e368 100644
--- a/server/controllers/api/videos/captions.ts
+++ b/server/controllers/api/videos/captions.ts
@@ -2,12 +2,13 @@ import * as express from 'express'
 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate } from '../../../middlewares'
 import { addVideoCaptionValidator, deleteVideoCaptionValidator, listVideoCaptionsValidator } from '../../../middlewares/validators'
 import { createReqFiles } from '../../../helpers/express-utils'
-import { CONFIG, MIMETYPES, sequelizeTypescript } from '../../../initializers'
+import { MIMETYPES, sequelizeTypescript } from '../../../initializers'
 import { getFormattedObjects } from '../../../helpers/utils'
 import { VideoCaptionModel } from '../../../models/video/video-caption'
 import { logger } from '../../../helpers/logger'
 import { federateVideoIfNeeded } from '../../../lib/activitypub'
 import { moveAndProcessCaptionFile } from '../../../helpers/captions-utils'
+import { CONFIG } from '../../../initializers/config'
 
 const reqVideoCaptionAdd = createReqFiles(
   [ 'captionfile' ],
diff --git a/server/controllers/api/videos/import.ts b/server/controllers/api/videos/import.ts
index c234a1391..5a8cd703e 100644
--- a/server/controllers/api/videos/import.ts
+++ b/server/controllers/api/videos/import.ts
@@ -3,7 +3,7 @@ import * as magnetUtil from 'magnet-uri'
 import 'multer'
 import { auditLoggerFactory, getAuditIdFromRes, VideoImportAuditView } from '../../../helpers/audit-logger'
 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoImportAddValidator } from '../../../middlewares'
-import { CONFIG, MIMETYPES, PREVIEWS_SIZE, sequelizeTypescript, THUMBNAILS_SIZE } from '../../../initializers'
+import { MIMETYPES, PREVIEWS_SIZE, sequelizeTypescript, THUMBNAILS_SIZE } from '../../../initializers'
 import { getYoutubeDLInfo, YoutubeDLInfo } from '../../../helpers/youtube-dl'
 import { createReqFiles } from '../../../helpers/express-utils'
 import { logger } from '../../../helpers/logger'
@@ -22,8 +22,9 @@ import { UserModel } from '../../../models/account/user'
 import * as Bluebird from 'bluebird'
 import * as parseTorrent from 'parse-torrent'
 import { getSecureTorrentName } from '../../../helpers/utils'
-import { readFile, move } from 'fs-extra'
+import { move, readFile } from 'fs-extra'
 import { autoBlacklistVideoIfNeeded } from '../../../lib/video-blacklist'
+import { CONFIG } from '../../../initializers/config'
 
 const auditLogger = auditLoggerFactory('video-imports')
 const videoImportsRouter = express.Router()
diff --git a/server/controllers/api/videos/index.ts b/server/controllers/api/videos/index.ts
index 393324819..9470afabf 100644
--- a/server/controllers/api/videos/index.ts
+++ b/server/controllers/api/videos/index.ts
@@ -8,7 +8,6 @@ import { auditLoggerFactory, getAuditIdFromRes, VideoAuditView } from '../../../
 import { getFormattedObjects, getServerActor } from '../../../helpers/utils'
 import { autoBlacklistVideoIfNeeded } from '../../../lib/video-blacklist'
 import {
-  CONFIG,
   MIMETYPES,
   PREVIEWS_SIZE,
   sequelizeTypescript,
@@ -61,6 +60,7 @@ import { move } from 'fs-extra'
 import { watchingRouter } from './watching'
 import { Notifier } from '../../../lib/notifier'
 import { sendView } from '../../../lib/activitypub/send/send-view'
+import { CONFIG } from '../../../initializers/config'
 
 const auditLogger = auditLoggerFactory('videos')
 const videosRouter = express.Router()
diff --git a/server/controllers/bots.ts b/server/controllers/bots.ts
index 2db86a2d8..58ead4799 100644
--- a/server/controllers/bots.ts
+++ b/server/controllers/bots.ts
@@ -1,6 +1,6 @@
 import * as express from 'express'
 import { asyncMiddleware } from '../middlewares'
-import { CONFIG, ROUTE_CACHE_LIFETIME } from '../initializers'
+import { ROUTE_CACHE_LIFETIME, WEBSERVER } from '../initializers'
 import * as sitemapModule from 'sitemap'
 import { logger } from '../helpers/logger'
 import { VideoModel } from '../models/video/video'
@@ -35,7 +35,7 @@ async function getSitemap (req: express.Request, res: express.Response) {
   urls = urls.concat(await getSitemapAccountUrls())
 
   const sitemap = sitemapModule.createSitemap({
-    hostname: CONFIG.WEBSERVER.URL,
+    hostname: WEBSERVER.URL,
     urls: urls
   })
 
@@ -54,7 +54,7 @@ async function getSitemapVideoChannelUrls () {
   const rows = await VideoChannelModel.listLocalsForSitemap('createdAt')
 
   return rows.map(channel => ({
-    url: CONFIG.WEBSERVER.URL + '/video-channels/' + channel.Actor.preferredUsername
+    url: WEBSERVER.URL + '/video-channels/' + channel.Actor.preferredUsername
   }))
 }
 
@@ -62,7 +62,7 @@ async function getSitemapAccountUrls () {
   const rows = await AccountModel.listLocalsForSitemap('createdAt')
 
   return rows.map(channel => ({
-    url: CONFIG.WEBSERVER.URL + '/accounts/' + channel.Actor.preferredUsername
+    url: WEBSERVER.URL + '/accounts/' + channel.Actor.preferredUsername
   }))
 }
 
@@ -78,14 +78,14 @@ async function getSitemapLocalVideoUrls () {
   })
 
   return resultList.data.map(v => ({
-    url: CONFIG.WEBSERVER.URL + '/videos/watch/' + v.uuid,
+    url: WEBSERVER.URL + '/videos/watch/' + v.uuid,
     video: [
       {
         title: v.name,
         // Sitemap description should be < 2000 characters
         description: truncate(v.description || v.name, { length: 2000, omission: '...' }),
-        player_loc: CONFIG.WEBSERVER.URL + '/videos/embed/' + v.uuid,
-        thumbnail_loc: CONFIG.WEBSERVER.URL + v.getThumbnailStaticPath()
+        player_loc: WEBSERVER.URL + '/videos/embed/' + v.uuid,
+        thumbnail_loc: WEBSERVER.URL + v.getThumbnailStaticPath()
       }
     ]
   }))
@@ -97,5 +97,5 @@ function getSitemapBasicUrls () {
     '/videos/local'
   ]
 
-  return paths.map(p => ({ url: CONFIG.WEBSERVER.URL + p }))
+  return paths.map(p => ({ url: WEBSERVER.URL + p }))
 }
diff --git a/server/controllers/feeds.ts b/server/controllers/feeds.ts
index cd46b6e0f..24c41d946 100644
--- a/server/controllers/feeds.ts
+++ b/server/controllers/feeds.ts
@@ -1,5 +1,5 @@
 import * as express from 'express'
-import { CONFIG, FEEDS, ROUTE_CACHE_LIFETIME } from '../initializers/constants'
+import { FEEDS, ROUTE_CACHE_LIFETIME, WEBSERVER } from '../initializers/constants'
 import { THUMBNAILS_SIZE } from '../initializers'
 import {
   asyncMiddleware,
@@ -14,6 +14,7 @@ import * as Feed from 'pfeed'
 import { cacheRoute } from '../middlewares/cache'
 import { VideoCommentModel } from '../models/video/video-comment'
 import { buildNSFWFilter } from '../helpers/express-utils'
+import { CONFIG } from '../initializers/config'
 
 const feedsRouter = express.Router()
 
@@ -54,7 +55,7 @@ async function generateVideoCommentsFeed (req: express.Request, res: express.Res
 
   // Adding video items to the feed, one at a time
   comments.forEach(comment => {
-    const link = CONFIG.WEBSERVER.URL + comment.getCommentStaticPath()
+    const link = WEBSERVER.URL + comment.getCommentStaticPath()
 
     feed.addItem({
       title: `${comment.Video.name} - ${comment.Account.getDisplayName()}`,
@@ -122,7 +123,7 @@ async function generateVideoFeed (req: express.Request, res: express.Response) {
     feed.addItem({
       title: video.name,
       id: video.url,
-      link: CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid,
+      link: WEBSERVER.URL + '/videos/watch/' + video.uuid,
       description: video.getTruncatedDescription(),
       content: video.description,
       author: [
@@ -137,7 +138,7 @@ async function generateVideoFeed (req: express.Request, res: express.Response) {
       torrent: torrents,
       thumbnail: [
         {
-          url: CONFIG.WEBSERVER.URL + video.getThumbnailStaticPath(),
+          url: WEBSERVER.URL + video.getThumbnailStaticPath(),
           height: THUMBNAILS_SIZE.height,
           width: THUMBNAILS_SIZE.width
         }
@@ -150,7 +151,7 @@ async function generateVideoFeed (req: express.Request, res: express.Response) {
 }
 
 function initFeed (name: string, description: string) {
-  const webserverUrl = CONFIG.WEBSERVER.URL
+  const webserverUrl = WEBSERVER.URL
 
   return new Feed({
     title: name,
diff --git a/server/controllers/services.ts b/server/controllers/services.ts
index cf7a513af..83b01b475 100644
--- a/server/controllers/services.ts
+++ b/server/controllers/services.ts
@@ -1,8 +1,8 @@
 import * as express from 'express'
-import { CONFIG, EMBED_SIZE, PREVIEWS_SIZE } from '../initializers'
+import { EMBED_SIZE, PREVIEWS_SIZE, WEBSERVER } from '../initializers'
 import { asyncMiddleware, oembedValidator } from '../middlewares'
 import { accountNameWithHostGetValidator } from '../middlewares/validators'
-import { VideoModel } from '../models/video/video'
+import { CONFIG } from '../initializers/config'
 
 const servicesRouter = express.Router()
 
@@ -25,7 +25,7 @@ export {
 
 function generateOEmbed (req: express.Request, res: express.Response) {
   const video = res.locals.video
-  const webserverUrl = CONFIG.WEBSERVER.URL
+  const webserverUrl = WEBSERVER.URL
   const maxHeight = parseInt(req.query.maxheight, 10)
   const maxWidth = parseInt(req.query.maxwidth, 10)
 
diff --git a/server/controllers/static.ts b/server/controllers/static.ts
index e65c7afd3..be5fcc8ed 100644
--- a/server/controllers/static.ts
+++ b/server/controllers/static.ts
@@ -1,12 +1,12 @@
 import * as cors from 'cors'
 import * as express from 'express'
 import {
-  CONFIG,
   HLS_STREAMING_PLAYLIST_DIRECTORY,
   ROUTE_CACHE_LIFETIME,
   STATIC_DOWNLOAD_PATHS,
   STATIC_MAX_AGE,
-  STATIC_PATHS
+  STATIC_PATHS,
+  WEBSERVER
 } from '../initializers'
 import { VideosCaptionCache, VideosPreviewCache } from '../lib/files-cache'
 import { cacheRoute } from '../middlewares/cache'
@@ -17,6 +17,7 @@ import { VideoCommentModel } from '../models/video/video-comment'
 import { HttpNodeinfoDiasporaSoftwareNsSchema20 } from '../../shared/models/nodeinfo'
 import { join } from 'path'
 import { root } from '../helpers/core-utils'
+import { CONFIG } from '../initializers/config'
 
 const packageJSON = require('../../../package.json')
 const staticRouter = express.Router()
@@ -121,7 +122,7 @@ staticRouter.use('/.well-known/nodeinfo',
       links: [
         {
           rel: 'http://nodeinfo.diaspora.software/ns/schema/2.0',
-          href: CONFIG.WEBSERVER.URL + '/nodeinfo/2.0.json'
+          href: WEBSERVER.URL + '/nodeinfo/2.0.json'
         }
       ]
     })
diff --git a/server/controllers/tracker.ts b/server/controllers/tracker.ts
index 56a3424a3..912f82b86 100644
--- a/server/controllers/tracker.ts
+++ b/server/controllers/tracker.ts
@@ -4,10 +4,11 @@ import * as http from 'http'
 import * as bitTorrentTracker from 'bittorrent-tracker'
 import * as proxyAddr from 'proxy-addr'
 import { Server as WebSocketServer } from 'ws'
-import { CONFIG, TRACKER_RATE_LIMITS } from '../initializers/constants'
+import { TRACKER_RATE_LIMITS } from '../initializers/constants'
 import { VideoFileModel } from '../models/video/video-file'
 import { parse } from 'url'
 import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
+import { CONFIG } from '../initializers/config'
 
 const TrackerServer = bitTorrentTracker.Server
 
diff --git a/server/helpers/audit-logger.ts b/server/helpers/audit-logger.ts
index af37bce16..f536da439 100644
--- a/server/helpers/audit-logger.ts
+++ b/server/helpers/audit-logger.ts
@@ -4,11 +4,11 @@ import { diff } from 'deep-object-diff'
 import { chain } from 'lodash'
 import * as flatten from 'flat'
 import * as winston from 'winston'
-import { CONFIG } from '../initializers'
 import { jsonLoggerFormat, labelFormatter } from './logger'
 import { User, VideoAbuse, VideoChannel, VideoDetails, VideoImport } from '../../shared'
 import { VideoComment } from '../../shared/models/videos/video-comment.model'
 import { CustomConfig } from '../../shared/models/server/custom-config.model'
+import { CONFIG } from '../initializers/config'
 
 function getAuditIdFromRes (res: express.Response) {
   return res.locals.oauth.token.User.username
diff --git a/server/helpers/captions-utils.ts b/server/helpers/captions-utils.ts
index 0fb11a125..7174d4654 100644
--- a/server/helpers/captions-utils.ts
+++ b/server/helpers/captions-utils.ts
@@ -1,5 +1,5 @@
 import { join } from 'path'
-import { CONFIG } from '../initializers'
+import { CONFIG } from '../initializers/config'
 import { VideoCaptionModel } from '../models/video/video-caption'
 import * as srt2vtt from 'srt-to-vtt'
 import { createReadStream, createWriteStream, remove, move } from 'fs-extra'
diff --git a/server/helpers/custom-validators/video-channels.ts b/server/helpers/custom-validators/video-channels.ts
index fad7a9bcf..ca8d207cf 100644
--- a/server/helpers/custom-validators/video-channels.ts
+++ b/server/helpers/custom-validators/video-channels.ts
@@ -2,7 +2,7 @@ import * as express from 'express'
 import 'express-validator'
 import 'multer'
 import * as validator from 'validator'
-import { CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
+import { CONSTRAINTS_FIELDS } from '../../initializers'
 import { VideoChannelModel } from '../../models/video/video-channel'
 import { exists } from './misc'
 
diff --git a/server/helpers/custom-validators/webfinger.ts b/server/helpers/custom-validators/webfinger.ts
index 80a7e4a9d..b18e43fad 100644
--- a/server/helpers/custom-validators/webfinger.ts
+++ b/server/helpers/custom-validators/webfinger.ts
@@ -1,4 +1,4 @@
-import { CONFIG, REMOTE_SCHEME } from '../../initializers'
+import { REMOTE_SCHEME, WEBSERVER } from '../../initializers'
 import { sanitizeHost } from '../core-utils'
 import { exists } from './misc'
 
@@ -11,7 +11,7 @@ function isWebfingerLocalResourceValid (value: string) {
   if (actorParts.length !== 2) return false
 
   const host = actorParts[1]
-  return sanitizeHost(host, REMOTE_SCHEME.HTTP) === CONFIG.WEBSERVER.HOST
+  return sanitizeHost(host, REMOTE_SCHEME.HTTP) === WEBSERVER.HOST
 }
 
 // ---------------------------------------------------------------------------
diff --git a/server/helpers/express-utils.ts b/server/helpers/express-utils.ts
index fef2da313..2b574ab8e 100644
--- a/server/helpers/express-utils.ts
+++ b/server/helpers/express-utils.ts
@@ -1,10 +1,11 @@
 import * as express from 'express'
 import * as multer from 'multer'
-import { CONFIG, REMOTE_SCHEME } from '../initializers'
+import { REMOTE_SCHEME } from '../initializers'
 import { logger } from './logger'
 import { deleteFileAsync, generateRandomString } from './utils'
 import { extname } from 'path'
 import { isArray } from './custom-validators/misc'
+import { CONFIG } from '../initializers/config'
 
 function buildNSFWFilter (res?: express.Response, paramNSFW?: string) {
   if (paramNSFW === 'true') return true
@@ -58,7 +59,7 @@ function getHostWithPort (host: string) {
   return host
 }
 
-function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) {
+function badRequest (req: express.Request, res: express.Response) {
   return res.type('json').status(400).end()
 }
 
diff --git a/server/helpers/ffmpeg-utils.ts b/server/helpers/ffmpeg-utils.ts
index c477e2e89..d818c459c 100644
--- a/server/helpers/ffmpeg-utils.ts
+++ b/server/helpers/ffmpeg-utils.ts
@@ -1,11 +1,12 @@
 import * as ffmpeg from 'fluent-ffmpeg'
 import { dirname, join } from 'path'
 import { getTargetBitrate, VideoResolution } from '../../shared/models/videos'
-import { CONFIG, FFMPEG_NICE, VIDEO_TRANSCODING_FPS } from '../initializers/constants'
+import { FFMPEG_NICE, VIDEO_TRANSCODING_FPS } from '../initializers/constants'
 import { processImage } from './image-utils'
 import { logger } from './logger'
 import { checkFFmpegEncoders } from '../initializers/checker-before-init'
-import { remove, readFile, writeFile } from 'fs-extra'
+import { readFile, remove, writeFile } from 'fs-extra'
+import { CONFIG } from '../initializers/config'
 
 function computeResolutionsToTranscode (videoFileHeight: number) {
   const resolutionsEnabled: number[] = []
diff --git a/server/helpers/logger.ts b/server/helpers/logger.ts
index f8a142718..734523b01 100644
--- a/server/helpers/logger.ts
+++ b/server/helpers/logger.ts
@@ -2,7 +2,7 @@
 import { mkdirpSync } from 'fs-extra'
 import * as path from 'path'
 import * as winston from 'winston'
-import { CONFIG } from '../initializers'
+import { CONFIG } from '../initializers/config'
 import { omit } from 'lodash'
 
 const label = CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT
diff --git a/server/helpers/requests.ts b/server/helpers/requests.ts
index 3762e4d3c..02854b164 100644
--- a/server/helpers/requests.ts
+++ b/server/helpers/requests.ts
@@ -1,10 +1,11 @@
 import * as Bluebird from 'bluebird'
 import { createWriteStream, remove } from 'fs-extra'
 import * as request from 'request'
-import { ACTIVITY_PUB, CONFIG } from '../initializers'
+import { ACTIVITY_PUB } from '../initializers'
 import { processImage } from './image-utils'
 import { join } from 'path'
 import { logger } from './logger'
+import { CONFIG } from '../initializers/config'
 
 function doRequest <T> (
   requestOptions: request.CoreOptions & request.UriOptions & { activityPub?: boolean },
diff --git a/server/helpers/signup.ts b/server/helpers/signup.ts
index cdce7989d..5eb56b3cf 100644
--- a/server/helpers/signup.ts
+++ b/server/helpers/signup.ts
@@ -1,6 +1,7 @@
-import { CONFIG } from '../initializers'
 import { UserModel } from '../models/account/user'
 import * as ipaddr from 'ipaddr.js'
+import { CONFIG } from '../initializers/config'
+
 const isCidr = require('is-cidr')
 
 async function isSignupAllowed () {
diff --git a/server/helpers/utils.ts b/server/helpers/utils.ts
index cb0e823c5..94ceb15e0 100644
--- a/server/helpers/utils.ts
+++ b/server/helpers/utils.ts
@@ -1,5 +1,4 @@
 import { ResultList } from '../../shared'
-import { CONFIG } from '../initializers'
 import { ApplicationModel } from '../models/application/application'
 import { execPromise, execPromise2, pseudoRandomBytesPromise, sha256 } from './core-utils'
 import { logger } from './logger'
@@ -7,6 +6,7 @@ import { join } from 'path'
 import { Instance as ParseTorrent } from 'parse-torrent'
 import { remove } from 'fs-extra'
 import * as memoizee from 'memoizee'
+import { CONFIG } from '../initializers/config'
 
 function deleteFileAsync (path: string) {
   remove(path)
diff --git a/server/helpers/webfinger.ts b/server/helpers/webfinger.ts
index 156376943..049808846 100644
--- a/server/helpers/webfinger.ts
+++ b/server/helpers/webfinger.ts
@@ -3,7 +3,7 @@ import { WebFingerData } from '../../shared'
 import { ActorModel } from '../models/activitypub/actor'
 import { isTestInstance } from './core-utils'
 import { isActivityPubUrlValid } from './custom-validators/activitypub/misc'
-import { CONFIG } from '../initializers'
+import { WEBSERVER } from '../initializers/constants'
 
 const webfinger = new WebFinger({
   webfist_fallback: false,
@@ -19,7 +19,7 @@ async function loadActorUrlOrGetFromWebfinger (uriArg: string) {
   const [ name, host ] = uri.split('@')
   let actor: ActorModel
 
-  if (host === CONFIG.WEBSERVER.HOST) {
+  if (host === WEBSERVER.HOST) {
     actor = await ActorModel.loadLocalByName(name)
   } else {
     actor = await ActorModel.loadByNameAndHost(name, host)
diff --git a/server/helpers/webtorrent.ts b/server/helpers/webtorrent.ts
index 3c9a0b96a..14dfe0d28 100644
--- a/server/helpers/webtorrent.ts
+++ b/server/helpers/webtorrent.ts
@@ -2,7 +2,7 @@ import { logger } from './logger'
 import { generateVideoImportTmpPath } from './utils'
 import * as WebTorrent from 'webtorrent'
 import { createWriteStream, ensureDir, remove } from 'fs-extra'
-import { CONFIG } from '../initializers'
+import { CONFIG } from '../initializers/config'
 import { dirname, join } from 'path'
 
 async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) {
diff --git a/server/initializers/checker-after-init.ts b/server/initializers/checker-after-init.ts
index 85f752284..db3115085 100644
--- a/server/initializers/checker-after-init.ts
+++ b/server/initializers/checker-after-init.ts
@@ -4,19 +4,20 @@ import { UserModel } from '../models/account/user'
 import { ApplicationModel } from '../models/application/application'
 import { OAuthClientModel } from '../models/oauth/oauth-client'
 import { parse } from 'url'
-import { CONFIG } from './constants'
+import { CONFIG } from './config'
 import { logger } from '../helpers/logger'
 import { getServerActor } from '../helpers/utils'
 import { RecentlyAddedStrategy } from '../../shared/models/redundancy'
 import { isArray } from '../helpers/custom-validators/misc'
 import { uniq } from 'lodash'
 import { Emailer } from '../lib/emailer'
+import { WEBSERVER } from './constants'
 
 async function checkActivityPubUrls () {
   const actor = await getServerActor()
 
   const parsed = parse(actor.url)
-  if (CONFIG.WEBSERVER.HOST !== parsed.host) {
+  if (WEBSERVER.HOST !== parsed.host) {
     const NODE_ENV = config.util.getEnv('NODE_ENV')
     const NODE_CONFIG_DIR = config.util.getEnv('NODE_CONFIG_DIR')
 
diff --git a/server/initializers/config.ts b/server/initializers/config.ts
new file mode 100644
index 000000000..8dd62cba8
--- /dev/null
+++ b/server/initializers/config.ts
@@ -0,0 +1,255 @@
+import { IConfig } from 'config'
+import { dirname, join } from 'path'
+import { VideosRedundancy } from '../../shared/models'
+// Do not use barrels, remain constants as independent as possible
+import { buildPath, parseBytes, parseDuration, root } from '../helpers/core-utils'
+import { NSFWPolicyType } from '../../shared/models/videos/nsfw-policy.type'
+import * as bytes from 'bytes'
+
+// Use a variable to reload the configuration if we need
+let config: IConfig = require('config')
+
+const configChangedHandlers: Function[] = []
+
+const CONFIG = {
+  CUSTOM_FILE: getLocalConfigFilePath(),
+  LISTEN: {
+    PORT: config.get<number>('listen.port'),
+    HOSTNAME: config.get<string>('listen.hostname')
+  },
+  DATABASE: {
+    DBNAME: 'peertube' + config.get<string>('database.suffix'),
+    HOSTNAME: config.get<string>('database.hostname'),
+    PORT: config.get<number>('database.port'),
+    USERNAME: config.get<string>('database.username'),
+    PASSWORD: config.get<string>('database.password'),
+    POOL: {
+      MAX: config.get<number>('database.pool.max')
+    }
+  },
+  REDIS: {
+    HOSTNAME: config.has('redis.hostname') ? config.get<string>('redis.hostname') : null,
+    PORT: config.has('redis.port') ? config.get<number>('redis.port') : null,
+    SOCKET: config.has('redis.socket') ? config.get<string>('redis.socket') : null,
+    AUTH: config.has('redis.auth') ? config.get<string>('redis.auth') : null,
+    DB: config.has('redis.db') ? config.get<number>('redis.db') : null
+  },
+  SMTP: {
+    HOSTNAME: config.get<string>('smtp.hostname'),
+    PORT: config.get<number>('smtp.port'),
+    USERNAME: config.get<string>('smtp.username'),
+    PASSWORD: config.get<string>('smtp.password'),
+    TLS: config.get<boolean>('smtp.tls'),
+    DISABLE_STARTTLS: config.get<boolean>('smtp.disable_starttls'),
+    CA_FILE: config.get<string>('smtp.ca_file'),
+    FROM_ADDRESS: config.get<string>('smtp.from_address')
+  },
+  STORAGE: {
+    TMP_DIR: buildPath(config.get<string>('storage.tmp')),
+    AVATARS_DIR: buildPath(config.get<string>('storage.avatars')),
+    LOG_DIR: buildPath(config.get<string>('storage.logs')),
+    VIDEOS_DIR: buildPath(config.get<string>('storage.videos')),
+    STREAMING_PLAYLISTS_DIR: buildPath(config.get<string>('storage.streaming_playlists')),
+    REDUNDANCY_DIR: buildPath(config.get<string>('storage.redundancy')),
+    THUMBNAILS_DIR: buildPath(config.get<string>('storage.thumbnails')),
+    PREVIEWS_DIR: buildPath(config.get<string>('storage.previews')),
+    CAPTIONS_DIR: buildPath(config.get<string>('storage.captions')),
+    TORRENTS_DIR: buildPath(config.get<string>('storage.torrents')),
+    CACHE_DIR: buildPath(config.get<string>('storage.cache'))
+  },
+  WEBSERVER: {
+    SCHEME: config.get<boolean>('webserver.https') === true ? 'https' : 'http',
+    WS: config.get<boolean>('webserver.https') === true ? 'wss' : 'ws',
+    HOSTNAME: config.get<string>('webserver.hostname'),
+    PORT: config.get<number>('webserver.port')
+  },
+  TRUST_PROXY: config.get<string[]>('trust_proxy'),
+  LOG: {
+    LEVEL: config.get<string>('log.level')
+  },
+  SEARCH: {
+    REMOTE_URI: {
+      USERS: config.get<boolean>('search.remote_uri.users'),
+      ANONYMOUS: config.get<boolean>('search.remote_uri.anonymous')
+    }
+  },
+  TRENDING: {
+    VIDEOS: {
+      INTERVAL_DAYS: config.get<number>('trending.videos.interval_days')
+    }
+  },
+  REDUNDANCY: {
+    VIDEOS: {
+      CHECK_INTERVAL: parseDuration(config.get<string>('redundancy.videos.check_interval')),
+      STRATEGIES: buildVideosRedundancy(config.get<any[]>('redundancy.videos.strategies'))
+    }
+  },
+  CSP: {
+    ENABLED: config.get<boolean>('csp.enabled'),
+    REPORT_ONLY: config.get<boolean>('csp.report_only'),
+    REPORT_URI: config.get<boolean>('csp.report_uri')
+  },
+  TRACKER: {
+    ENABLED: config.get<boolean>('tracker.enabled'),
+    PRIVATE: config.get<boolean>('tracker.private'),
+    REJECT_TOO_MANY_ANNOUNCES: config.get<boolean>('tracker.reject_too_many_announces')
+  },
+  ADMIN: {
+    get EMAIL () { return config.get<string>('admin.email') }
+  },
+  CONTACT_FORM: {
+    get ENABLED () { return config.get<boolean>('contact_form.enabled') }
+  },
+  SIGNUP: {
+    get ENABLED () { return config.get<boolean>('signup.enabled') },
+    get LIMIT () { return config.get<number>('signup.limit') },
+    get REQUIRES_EMAIL_VERIFICATION () { return config.get<boolean>('signup.requires_email_verification') },
+    FILTERS: {
+      CIDR: {
+        get WHITELIST () { return config.get<string[]>('signup.filters.cidr.whitelist') },
+        get BLACKLIST () { return config.get<string[]>('signup.filters.cidr.blacklist') }
+      }
+    }
+  },
+  USER: {
+    get VIDEO_QUOTA () { return parseBytes(config.get<number>('user.video_quota')) },
+    get VIDEO_QUOTA_DAILY () { return parseBytes(config.get<number>('user.video_quota_daily')) }
+  },
+  TRANSCODING: {
+    get ENABLED () { return config.get<boolean>('transcoding.enabled') },
+    get ALLOW_ADDITIONAL_EXTENSIONS () { return config.get<boolean>('transcoding.allow_additional_extensions') },
+    get THREADS () { return config.get<number>('transcoding.threads') },
+    RESOLUTIONS: {
+      get '240p' () { return config.get<boolean>('transcoding.resolutions.240p') },
+      get '360p' () { return config.get<boolean>('transcoding.resolutions.360p') },
+      get '480p' () { return config.get<boolean>('transcoding.resolutions.480p') },
+      get '720p' () { return config.get<boolean>('transcoding.resolutions.720p') },
+      get '1080p' () { return config.get<boolean>('transcoding.resolutions.1080p') }
+    },
+    HLS: {
+      get ENABLED () { return config.get<boolean>('transcoding.hls.enabled') }
+    }
+  },
+  IMPORT: {
+    VIDEOS: {
+      HTTP: {
+        get ENABLED () { return config.get<boolean>('import.videos.http.enabled') }
+      },
+      TORRENT: {
+        get ENABLED () { return config.get<boolean>('import.videos.torrent.enabled') }
+      }
+    }
+  },
+  AUTO_BLACKLIST: {
+    VIDEOS: {
+      OF_USERS: {
+        get ENABLED () { return config.get<boolean>('auto_blacklist.videos.of_users.enabled') }
+      }
+    }
+  },
+  CACHE: {
+    PREVIEWS: {
+      get SIZE () { return config.get<number>('cache.previews.size') }
+    },
+    VIDEO_CAPTIONS: {
+      get SIZE () { return config.get<number>('cache.captions.size') }
+    }
+  },
+  INSTANCE: {
+    get NAME () { return config.get<string>('instance.name') },
+    get SHORT_DESCRIPTION () { return config.get<string>('instance.short_description') },
+    get DESCRIPTION () { return config.get<string>('instance.description') },
+    get TERMS () { return config.get<string>('instance.terms') },
+    get IS_NSFW () { return config.get<boolean>('instance.is_nsfw') },
+    get DEFAULT_CLIENT_ROUTE () { return config.get<string>('instance.default_client_route') },
+    get DEFAULT_NSFW_POLICY () { return config.get<NSFWPolicyType>('instance.default_nsfw_policy') },
+    CUSTOMIZATIONS: {
+      get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
+      get CSS () { return config.get<string>('instance.customizations.css') }
+    },
+    get ROBOTS () { return config.get<string>('instance.robots') },
+    get SECURITYTXT () { return config.get<string>('instance.securitytxt') },
+    get SECURITYTXT_CONTACT () { return config.get<string>('admin.email') }
+  },
+  SERVICES: {
+    TWITTER: {
+      get USERNAME () { return config.get<string>('services.twitter.username') },
+      get WHITELISTED () { return config.get<boolean>('services.twitter.whitelisted') }
+    }
+  },
+  FOLLOWERS: {
+    INSTANCE: {
+      get ENABLED () { return config.get<boolean>('followers.instance.enabled') },
+      get MANUAL_APPROVAL () { return config.get<boolean>('followers.instance.manual_approval') }
+    }
+  }
+}
+
+function registerConfigChangedHandler (fun: Function) {
+  configChangedHandlers.push(fun)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  CONFIG,
+  registerConfigChangedHandler
+}
+
+// ---------------------------------------------------------------------------
+
+function getLocalConfigFilePath () {
+  const configSources = config.util.getConfigSources()
+  if (configSources.length === 0) throw new Error('Invalid config source.')
+
+  let filename = 'local'
+  if (process.env.NODE_ENV) filename += `-${process.env.NODE_ENV}`
+  if (process.env.NODE_APP_INSTANCE) filename += `-${process.env.NODE_APP_INSTANCE}`
+
+  return join(dirname(configSources[ 0 ].name), filename + '.json')
+}
+
+function buildVideosRedundancy (objs: any[]): VideosRedundancy[] {
+  if (!objs) return []
+
+  if (!Array.isArray(objs)) return objs
+
+  return objs.map(obj => {
+    return Object.assign({}, obj, {
+      minLifetime: parseDuration(obj.min_lifetime),
+      size: bytes.parse(obj.size),
+      minViews: obj.min_views
+    })
+  })
+}
+
+export function reloadConfig () {
+
+  function directory () {
+    if (process.env.NODE_CONFIG_DIR) {
+      return process.env.NODE_CONFIG_DIR
+    }
+
+    return join(root(), 'config')
+  }
+
+  function purge () {
+    for (const fileName in require.cache) {
+      if (-1 === fileName.indexOf(directory())) {
+        continue
+      }
+
+      delete require.cache[fileName]
+    }
+
+    delete require.cache[require.resolve('config')]
+  }
+
+  purge()
+
+  config = require('config')
+
+  for (const configChangedHandler of configChangedHandlers) {
+    configChangedHandler()
+  }
+}
diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index 739ea5502..3922d8515 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -1,20 +1,16 @@
-import { IConfig } from 'config'
-import { dirname, join } from 'path'
-import { JobType, VideoRateType, VideoState, VideosRedundancy } from '../../shared/models'
+import { join } from 'path'
+import { JobType, VideoRateType, VideoState } from '../../shared/models'
 import { ActivityPubActorType } from '../../shared/models/activitypub'
 import { FollowState } from '../../shared/models/actors'
 import { VideoAbuseState, VideoImportState, VideoPrivacy, VideoTranscodingFPS } from '../../shared/models/videos'
 // Do not use barrels, remain constants as independent as possible
-import { buildPath, isTestInstance, parseDuration, parseBytes, root, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
+import { isTestInstance, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
 import { NSFWPolicyType } from '../../shared/models/videos/nsfw-policy.type'
 import { invert } from 'lodash'
 import { CronRepeatOptions, EveryRepeatOptions } from 'bull'
-import * as bytes from 'bytes'
 import { VideoPlaylistPrivacy } from '../../shared/models/videos/playlist/video-playlist-privacy.model'
 import { VideoPlaylistType } from '../../shared/models/videos/playlist/video-playlist-type.model'
-
-// Use a variable to reload the configuration if we need
-let config: IConfig = require('config')
+import { CONFIG, registerConfigChangedHandler } from './config'
 
 // ---------------------------------------------------------------------------
 
@@ -32,6 +28,15 @@ const PAGINATION = {
   }
 }
 
+const WEBSERVER = {
+  URL: '',
+  HOST: '',
+  SCHEME: '',
+  WS: '',
+  HOSTNAME: '',
+  PORT: 0
+}
+
 // Sortable columns per schema
 const SORTABLE_COLUMNS = {
   USERS: [ 'id', 'username', 'createdAt' ],
@@ -102,7 +107,7 @@ const REMOTE_SCHEME = {
 }
 
 // TODO: remove 'video-file'
-const JOB_ATTEMPTS: { [ id in (JobType | 'video-file') ]: number } = {
+const JOB_ATTEMPTS: { [id in (JobType | 'video-file')]: number } = {
   'activitypub-http-broadcast': 5,
   'activitypub-http-unicast': 5,
   'activitypub-http-fetcher': 5,
@@ -115,7 +120,7 @@ const JOB_ATTEMPTS: { [ id in (JobType | 'video-file') ]: number } = {
   'videos-views': 1,
   'activitypub-refresher': 1
 }
-const JOB_CONCURRENCY: { [ id in (JobType | 'video-file') ]: number } = {
+const JOB_CONCURRENCY: { [id in (JobType | 'video-file')]: number } = {
   'activitypub-http-broadcast': 1,
   'activitypub-http-unicast': 5,
   'activitypub-http-fetcher': 1,
@@ -128,7 +133,7 @@ const JOB_CONCURRENCY: { [ id in (JobType | 'video-file') ]: number } = {
   'videos-views': 1,
   'activitypub-refresher': 1
 }
-const JOB_TTL: { [ id in (JobType | 'video-file') ]: number } = {
+const JOB_TTL: { [id in (JobType | 'video-file')]: number } = {
   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
   'activitypub-http-unicast': 60000 * 10, // 10 minutes
   'activitypub-http-fetcher': 60000 * 10, // 10 minutes
@@ -163,184 +168,6 @@ let SCHEDULER_INTERVALS_MS = {
 
 // ---------------------------------------------------------------------------
 
-const CONFIG = {
-  CUSTOM_FILE: getLocalConfigFilePath(),
-  LISTEN: {
-    PORT: config.get<number>('listen.port'),
-    HOSTNAME: config.get<string>('listen.hostname')
-  },
-  DATABASE: {
-    DBNAME: 'peertube' + config.get<string>('database.suffix'),
-    HOSTNAME: config.get<string>('database.hostname'),
-    PORT: config.get<number>('database.port'),
-    USERNAME: config.get<string>('database.username'),
-    PASSWORD: config.get<string>('database.password'),
-    POOL: {
-      MAX: config.get<number>('database.pool.max')
-    }
-  },
-  REDIS: {
-    HOSTNAME: config.has('redis.hostname') ? config.get<string>('redis.hostname') : null,
-    PORT: config.has('redis.port') ? config.get<number>('redis.port') : null,
-    SOCKET: config.has('redis.socket') ? config.get<string>('redis.socket') : null,
-    AUTH: config.has('redis.auth') ? config.get<string>('redis.auth') : null,
-    DB: config.has('redis.db') ? config.get<number>('redis.db') : null
-  },
-  SMTP: {
-    HOSTNAME: config.get<string>('smtp.hostname'),
-    PORT: config.get<number>('smtp.port'),
-    USERNAME: config.get<string>('smtp.username'),
-    PASSWORD: config.get<string>('smtp.password'),
-    TLS: config.get<boolean>('smtp.tls'),
-    DISABLE_STARTTLS: config.get<boolean>('smtp.disable_starttls'),
-    CA_FILE: config.get<string>('smtp.ca_file'),
-    FROM_ADDRESS: config.get<string>('smtp.from_address')
-  },
-  STORAGE: {
-    TMP_DIR: buildPath(config.get<string>('storage.tmp')),
-    AVATARS_DIR: buildPath(config.get<string>('storage.avatars')),
-    LOG_DIR: buildPath(config.get<string>('storage.logs')),
-    VIDEOS_DIR: buildPath(config.get<string>('storage.videos')),
-    STREAMING_PLAYLISTS_DIR: buildPath(config.get<string>('storage.streaming_playlists')),
-    REDUNDANCY_DIR: buildPath(config.get<string>('storage.redundancy')),
-    THUMBNAILS_DIR: buildPath(config.get<string>('storage.thumbnails')),
-    PREVIEWS_DIR: buildPath(config.get<string>('storage.previews')),
-    CAPTIONS_DIR: buildPath(config.get<string>('storage.captions')),
-    TORRENTS_DIR: buildPath(config.get<string>('storage.torrents')),
-    CACHE_DIR: buildPath(config.get<string>('storage.cache'))
-  },
-  WEBSERVER: {
-    SCHEME: config.get<boolean>('webserver.https') === true ? 'https' : 'http',
-    WS: config.get<boolean>('webserver.https') === true ? 'wss' : 'ws',
-    HOSTNAME: config.get<string>('webserver.hostname'),
-    PORT: config.get<number>('webserver.port'),
-    URL: '',
-    HOST: ''
-  },
-  TRUST_PROXY: config.get<string[]>('trust_proxy'),
-  LOG: {
-    LEVEL: config.get<string>('log.level')
-  },
-  SEARCH: {
-    REMOTE_URI: {
-      USERS: config.get<boolean>('search.remote_uri.users'),
-      ANONYMOUS: config.get<boolean>('search.remote_uri.anonymous')
-    }
-  },
-  TRENDING: {
-    VIDEOS: {
-      INTERVAL_DAYS: config.get<number>('trending.videos.interval_days')
-    }
-  },
-  REDUNDANCY: {
-    VIDEOS: {
-      CHECK_INTERVAL: parseDuration(config.get<string>('redundancy.videos.check_interval')),
-      STRATEGIES: buildVideosRedundancy(config.get<any[]>('redundancy.videos.strategies'))
-    }
-  },
-  CSP: {
-    ENABLED: config.get<boolean>('csp.enabled'),
-    REPORT_ONLY: config.get<boolean>('csp.report_only'),
-    REPORT_URI: config.get<boolean>('csp.report_uri')
-  },
-  TRACKER: {
-    ENABLED: config.get<boolean>('tracker.enabled'),
-    PRIVATE: config.get<boolean>('tracker.private'),
-    REJECT_TOO_MANY_ANNOUNCES: config.get<boolean>('tracker.reject_too_many_announces')
-  },
-  ADMIN: {
-    get EMAIL () { return config.get<string>('admin.email') }
-  },
-  CONTACT_FORM: {
-    get ENABLED () { return config.get<boolean>('contact_form.enabled') }
-  },
-  SIGNUP: {
-    get ENABLED () { return config.get<boolean>('signup.enabled') },
-    get LIMIT () { return config.get<number>('signup.limit') },
-    get REQUIRES_EMAIL_VERIFICATION () { return config.get<boolean>('signup.requires_email_verification') },
-    FILTERS: {
-      CIDR: {
-        get WHITELIST () { return config.get<string[]>('signup.filters.cidr.whitelist') },
-        get BLACKLIST () { return config.get<string[]>('signup.filters.cidr.blacklist') }
-      }
-    }
-  },
-  USER: {
-    get VIDEO_QUOTA () { return parseBytes(config.get<number>('user.video_quota')) },
-    get VIDEO_QUOTA_DAILY () { return parseBytes(config.get<number>('user.video_quota_daily')) }
-  },
-  TRANSCODING: {
-    get ENABLED () { return config.get<boolean>('transcoding.enabled') },
-    get ALLOW_ADDITIONAL_EXTENSIONS () { return config.get<boolean>('transcoding.allow_additional_extensions') },
-    get THREADS () { return config.get<number>('transcoding.threads') },
-    RESOLUTIONS: {
-      get '240p' () { return config.get<boolean>('transcoding.resolutions.240p') },
-      get '360p' () { return config.get<boolean>('transcoding.resolutions.360p') },
-      get '480p' () { return config.get<boolean>('transcoding.resolutions.480p') },
-      get '720p' () { return config.get<boolean>('transcoding.resolutions.720p') },
-      get '1080p' () { return config.get<boolean>('transcoding.resolutions.1080p') }
-    },
-    HLS: {
-      get ENABLED () { return config.get<boolean>('transcoding.hls.enabled') }
-    }
-  },
-  IMPORT: {
-    VIDEOS: {
-      HTTP: {
-        get ENABLED () { return config.get<boolean>('import.videos.http.enabled') }
-      },
-      TORRENT: {
-        get ENABLED () { return config.get<boolean>('import.videos.torrent.enabled') }
-      }
-    }
-  },
-  AUTO_BLACKLIST: {
-    VIDEOS: {
-      OF_USERS: {
-        get ENABLED () { return config.get<boolean>('auto_blacklist.videos.of_users.enabled') }
-      }
-    }
-  },
-  CACHE: {
-    PREVIEWS: {
-      get SIZE () { return config.get<number>('cache.previews.size') }
-    },
-    VIDEO_CAPTIONS: {
-      get SIZE () { return config.get<number>('cache.captions.size') }
-    }
-  },
-  INSTANCE: {
-    get NAME () { return config.get<string>('instance.name') },
-    get SHORT_DESCRIPTION () { return config.get<string>('instance.short_description') },
-    get DESCRIPTION () { return config.get<string>('instance.description') },
-    get TERMS () { return config.get<string>('instance.terms') },
-    get IS_NSFW () { return config.get<boolean>('instance.is_nsfw') },
-    get DEFAULT_CLIENT_ROUTE () { return config.get<string>('instance.default_client_route') },
-    get DEFAULT_NSFW_POLICY () { return config.get<NSFWPolicyType>('instance.default_nsfw_policy') },
-    CUSTOMIZATIONS: {
-      get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
-      get CSS () { return config.get<string>('instance.customizations.css') }
-    },
-    get ROBOTS () { return config.get<string>('instance.robots') },
-    get SECURITYTXT () { return config.get<string>('instance.securitytxt') },
-    get SECURITYTXT_CONTACT () { return config.get<string>('admin.email') }
-  },
-  SERVICES: {
-    TWITTER: {
-      get USERNAME () { return config.get<string>('services.twitter.username') },
-      get WHITELISTED () { return config.get<boolean>('services.twitter.whitelisted') }
-    }
-  },
-  FOLLOWERS: {
-    INSTANCE: {
-      get ENABLED () { return config.get<boolean>('followers.instance.enabled') },
-      get MANUAL_APPROVAL () { return config.get<boolean>('followers.instance.manual_approval') }
-    }
-  }
-}
-
-// ---------------------------------------------------------------------------
-
 let CONSTRAINTS_FIELDS = {
   USERS: {
     NAME: { min: 1, max: 120 }, // Length
@@ -517,38 +344,38 @@ const VIDEO_LICENCES = {
 const VIDEO_LANGUAGES = buildLanguages()
 
 const VIDEO_PRIVACIES = {
-  [VideoPrivacy.PUBLIC]: 'Public',
-  [VideoPrivacy.UNLISTED]: 'Unlisted',
-  [VideoPrivacy.PRIVATE]: 'Private'
+  [ VideoPrivacy.PUBLIC ]: 'Public',
+  [ VideoPrivacy.UNLISTED ]: 'Unlisted',
+  [ VideoPrivacy.PRIVATE ]: 'Private'
 }
 
 const VIDEO_STATES = {
-  [VideoState.PUBLISHED]: 'Published',
-  [VideoState.TO_TRANSCODE]: 'To transcode',
-  [VideoState.TO_IMPORT]: 'To import'
+  [ VideoState.PUBLISHED ]: 'Published',
+  [ VideoState.TO_TRANSCODE ]: 'To transcode',
+  [ VideoState.TO_IMPORT ]: 'To import'
 }
 
 const VIDEO_IMPORT_STATES = {
-  [VideoImportState.FAILED]: 'Failed',
-  [VideoImportState.PENDING]: 'Pending',
-  [VideoImportState.SUCCESS]: 'Success'
+  [ VideoImportState.FAILED ]: 'Failed',
+  [ VideoImportState.PENDING ]: 'Pending',
+  [ VideoImportState.SUCCESS ]: 'Success'
 }
 
 const VIDEO_ABUSE_STATES = {
-  [VideoAbuseState.PENDING]: 'Pending',
-  [VideoAbuseState.REJECTED]: 'Rejected',
-  [VideoAbuseState.ACCEPTED]: 'Accepted'
+  [ VideoAbuseState.PENDING ]: 'Pending',
+  [ VideoAbuseState.REJECTED ]: 'Rejected',
+  [ VideoAbuseState.ACCEPTED ]: 'Accepted'
 }
 
 const VIDEO_PLAYLIST_PRIVACIES = {
-  [VideoPlaylistPrivacy.PUBLIC]: 'Public',
-  [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
-  [VideoPlaylistPrivacy.PRIVATE]: 'Private'
+  [ VideoPlaylistPrivacy.PUBLIC ]: 'Public',
+  [ VideoPlaylistPrivacy.UNLISTED ]: 'Unlisted',
+  [ VideoPlaylistPrivacy.PRIVATE ]: 'Private'
 }
 
 const VIDEO_PLAYLIST_TYPES = {
-  [VideoPlaylistType.REGULAR]: 'Regular',
-  [VideoPlaylistType.WATCH_LATER]: 'Watch later'
+  [ VideoPlaylistType.REGULAR ]: 'Regular',
+  [ VideoPlaylistType.WATCH_LATER ]: 'Watch later'
 }
 
 const MIMETYPES = {
@@ -634,7 +461,7 @@ const USER_PASSWORD_RESET_LIFETIME = 60000 * 5 // 5 minutes
 
 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 
-const NSFW_POLICY_TYPES: { [ id: string]: NSFWPolicyType } = {
+const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
   DO_NOT_LIST: 'do_not_list',
   BLUR: 'blur',
   DISPLAY: 'display'
@@ -765,14 +592,14 @@ if (isTestInstance() === true) {
   SCHEDULER_INTERVALS_MS.actorFollowScores = 1000
   SCHEDULER_INTERVALS_MS.removeOldJobs = 10000
   SCHEDULER_INTERVALS_MS.updateVideos = 5000
-  REPEAT_JOBS['videos-views'] = { every: 5000 }
+  REPEAT_JOBS[ 'videos-views' ] = { every: 5000 }
 
   REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 
   VIDEO_VIEW_LIFETIME = 1000 // 1 second
   CONTACT_FORM_LIFETIME = 1000 // 1 second
 
-  JOB_ATTEMPTS['email'] = 1
+  JOB_ATTEMPTS[ 'email' ] = 1
 
   FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
   MEMOIZE_TTL.OVERVIEWS_SAMPLE = 1
@@ -783,9 +610,15 @@ if (isTestInstance() === true) {
 
 updateWebserverUrls()
 
+registerConfigChangedHandler(() => {
+  updateWebserverUrls()
+  updateWebserverConfig()
+})
+
 // ---------------------------------------------------------------------------
 
 export {
+  WEBSERVER,
   API_VERSION,
   HLS_REDUNDANCY_DIRECTORY,
   P2P_MEDIA_LOADER_PEER_VERSION,
@@ -794,7 +627,6 @@ export {
   BCRYPT_SALT_SIZE,
   TRACKER_RATE_LIMITS,
   FILES_CACHE,
-  CONFIG,
   CONSTRAINTS_FIELDS,
   EMBED_SIZE,
   REDUNDANCY,
@@ -857,17 +689,6 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function getLocalConfigFilePath () {
-  const configSources = config.util.getConfigSources()
-  if (configSources.length === 0) throw new Error('Invalid config source.')
-
-  let filename = 'local'
-  if (process.env.NODE_ENV) filename += `-${process.env.NODE_ENV}`
-  if (process.env.NODE_APP_INSTANCE) filename += `-${process.env.NODE_APP_INSTANCE}`
-
-  return join(dirname(configSources[ 0 ].name), filename + '.json')
-}
-
 function buildVideoMimetypeExt () {
   const data = {
     'video/webm': '.webm',
@@ -890,8 +711,12 @@ function buildVideoMimetypeExt () {
 }
 
 function updateWebserverUrls () {
-  CONFIG.WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
-  CONFIG.WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
+  WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
+  WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
+  WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
+  WEBSERVER.WS = CONFIG.WEBSERVER.WS
+  WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
+  WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
 }
 
 function updateWebserverConfig () {
@@ -907,20 +732,6 @@ function buildVideosExtname () {
     : [ '.mp4', '.ogv', '.webm' ]
 }
 
-function buildVideosRedundancy (objs: any[]): VideosRedundancy[] {
-  if (!objs) return []
-
-  if (!Array.isArray(objs)) return objs
-
-  return objs.map(obj => {
-    return Object.assign({}, obj, {
-      minLifetime: parseDuration(obj.min_lifetime),
-      size: bytes.parse(obj.size),
-      minViews: obj.min_views
-    })
-  })
-}
-
 function buildLanguages () {
   const iso639 = require('iso-639-3')
 
@@ -953,42 +764,12 @@ function buildLanguages () {
   iso639
     .filter(l => {
       return (l.iso6391 !== null && l.type === 'living') ||
-        additionalLanguages[l.iso6393] === true
+        additionalLanguages[ l.iso6393 ] === true
     })
-    .forEach(l => languages[l.iso6391 || l.iso6393] = l.name)
+    .forEach(l => languages[ l.iso6391 || l.iso6393 ] = l.name)
 
   // Override Occitan label
-  languages['oc'] = 'Occitan'
+  languages[ 'oc' ] = 'Occitan'
 
   return languages
 }
-
-export function reloadConfig () {
-
-  function directory () {
-    if (process.env.NODE_CONFIG_DIR) {
-      return process.env.NODE_CONFIG_DIR
-    }
-
-    return join(root(), 'config')
-  }
-
-  function purge () {
-    for (const fileName in require.cache) {
-      if (-1 === fileName.indexOf(directory())) {
-        continue
-      }
-
-      delete require.cache[fileName]
-    }
-
-    delete require.cache[require.resolve('config')]
-  }
-
-  purge()
-
-  config = require('config')
-
-  updateWebserverConfig()
-  updateWebserverUrls()
-}
diff --git a/server/initializers/database.ts b/server/initializers/database.ts
index 541ebbecf..872a56220 100644
--- a/server/initializers/database.ts
+++ b/server/initializers/database.ts
@@ -21,7 +21,7 @@ import { VideoCommentModel } from '../models/video/video-comment'
 import { VideoFileModel } from '../models/video/video-file'
 import { VideoShareModel } from '../models/video/video-share'
 import { VideoTagModel } from '../models/video/video-tag'
-import { CONFIG } from './constants'
+import { CONFIG } from './config'
 import { ScheduleVideoUpdateModel } from '../models/video/schedule-video-update'
 import { VideoCaptionModel } from '../models/video/video-caption'
 import { VideoImportModel } from '../models/video/video-import'
diff --git a/server/initializers/installer.ts b/server/initializers/installer.ts
index 07af96b68..127449577 100644
--- a/server/initializers/installer.ts
+++ b/server/initializers/installer.ts
@@ -6,9 +6,10 @@ import { UserModel } from '../models/account/user'
 import { ApplicationModel } from '../models/application/application'
 import { OAuthClientModel } from '../models/oauth/oauth-client'
 import { applicationExist, clientsExist, usersExist } from './checker-after-init'
-import { FILES_CACHE, CONFIG, HLS_STREAMING_PLAYLIST_DIRECTORY, LAST_MIGRATION_VERSION } from './constants'
+import { FILES_CACHE, HLS_STREAMING_PLAYLIST_DIRECTORY, LAST_MIGRATION_VERSION } from './constants'
 import { sequelizeTypescript } from './database'
-import { remove, ensureDir } from 'fs-extra'
+import { ensureDir, remove } from 'fs-extra'
+import { CONFIG } from './config'
 
 async function installApplication () {
   try {
diff --git a/server/initializers/migrations/0075-video-resolutions.ts b/server/initializers/migrations/0075-video-resolutions.ts
index 26a188e5e..e4f26cb77 100644
--- a/server/initializers/migrations/0075-video-resolutions.ts
+++ b/server/initializers/migrations/0075-video-resolutions.ts
@@ -1,6 +1,6 @@
 import * as Sequelize from 'sequelize'
 import { join } from 'path'
-import { CONFIG } from '../../initializers/constants'
+import { CONFIG } from '../../initializers/config'
 import { getVideoFileResolution } from '../../helpers/ffmpeg-utils'
 import { readdir, rename } from 'fs-extra'
 
diff --git a/server/initializers/migrations/0140-actor-url.ts b/server/initializers/migrations/0140-actor-url.ts
index e64ee3487..020499391 100644
--- a/server/initializers/migrations/0140-actor-url.ts
+++ b/server/initializers/migrations/0140-actor-url.ts
@@ -1,13 +1,13 @@
 import * as Sequelize from 'sequelize'
-import { CONFIG } from '../constants'
+import { WEBSERVER } from '../constants'
 
 async function up (utils: {
   transaction: Sequelize.Transaction,
   queryInterface: Sequelize.QueryInterface,
   sequelize: Sequelize.Sequelize
 }): Promise<void> {
-  const toReplace = CONFIG.WEBSERVER.HOSTNAME + ':443'
-  const by = CONFIG.WEBSERVER.HOST
+  const toReplace = WEBSERVER.HOSTNAME + ':443'
+  const by = WEBSERVER.HOST
   const replacer = column => `replace("${column}", '${toReplace}', '${by}')`
 
   {
diff --git a/server/initializers/migrations/0235-delete-some-video-indexes.ts b/server/initializers/migrations/0235-delete-some-video-indexes.ts
index e362f240c..5964b0dc5 100644
--- a/server/initializers/migrations/0235-delete-some-video-indexes.ts
+++ b/server/initializers/migrations/0235-delete-some-video-indexes.ts
@@ -1,8 +1,4 @@
 import * as Sequelize from 'sequelize'
-import { createClient } from 'redis'
-import { CONFIG } from '../constants'
-import { JobQueue } from '../../lib/job-queue'
-import { initDatabaseModels } from '../database'
 
 async function up (utils: {
   transaction: Sequelize.Transaction
diff --git a/server/initializers/migrations/0240-drop-old-indexes.ts b/server/initializers/migrations/0240-drop-old-indexes.ts
index ba961e3f9..39868fa2d 100644
--- a/server/initializers/migrations/0240-drop-old-indexes.ts
+++ b/server/initializers/migrations/0240-drop-old-indexes.ts
@@ -1,8 +1,4 @@
 import * as Sequelize from 'sequelize'
-import { createClient } from 'redis'
-import { CONFIG } from '../constants'
-import { JobQueue } from '../../lib/job-queue'
-import { initDatabaseModels } from '../database'
 
 async function up (utils: {
   transaction: Sequelize.Transaction
diff --git a/server/initializers/migrations/0345-video-playlists.ts b/server/initializers/migrations/0345-video-playlists.ts
index 11670b11d..6953f5553 100644
--- a/server/initializers/migrations/0345-video-playlists.ts
+++ b/server/initializers/migrations/0345-video-playlists.ts
@@ -1,7 +1,7 @@
 import * as Sequelize from 'sequelize'
-import { CONFIG } from '../constants'
 import { VideoPlaylistPrivacy, VideoPlaylistType } from '../../../shared/models/videos'
 import * as uuidv4 from 'uuid/v4'
+import { WEBSERVER } from '../constants'
 
 async function up (utils: {
   transaction: Sequelize.Transaction,
@@ -57,7 +57,7 @@ CREATE TABLE IF NOT EXISTS "videoPlaylistElement"
     for (const username of usernames) {
       const uuid = uuidv4()
 
-      const baseUrl = CONFIG.WEBSERVER.URL + '/video-playlists/' + uuid
+      const baseUrl = WEBSERVER.URL + '/video-playlists/' + uuid
       const query = `
  INSERT INTO "videoPlaylist" ("url", "uuid", "name", "privacy", "type", "ownerAccountId", "createdAt", "updatedAt")
  SELECT '${baseUrl}' AS "url",
diff --git a/server/lib/activitypub/actor.ts b/server/lib/activitypub/actor.ts
index c0ad07a52..cfefc26ce 100644
--- a/server/lib/activitypub/actor.ts
+++ b/server/lib/activitypub/actor.ts
@@ -12,7 +12,7 @@ import { logger } from '../../helpers/logger'
 import { createPrivateAndPublicKeys } from '../../helpers/peertube-crypto'
 import { doRequest, downloadImage } from '../../helpers/requests'
 import { getUrlFromWebfinger } from '../../helpers/webfinger'
-import { AVATARS_SIZE, CONFIG, MIMETYPES, sequelizeTypescript } from '../../initializers'
+import { AVATARS_SIZE, MIMETYPES, sequelizeTypescript, WEBSERVER } from '../../initializers'
 import { AccountModel } from '../../models/account/account'
 import { ActorModel } from '../../models/activitypub/actor'
 import { AvatarModel } from '../../models/avatar/avatar'
@@ -21,6 +21,7 @@ import { VideoChannelModel } from '../../models/video/video-channel'
 import { JobQueue } from '../job-queue'
 import { getServerActor } from '../../helpers/utils'
 import { ActorFetchByUrlType, fetchActorByUrl } from '../../helpers/actor'
+import { CONFIG } from '../../initializers/config'
 
 // Set account keys, this could be long so process after the account creation and do not block the client
 function setAsyncActorKeys (actor: ActorModel) {
@@ -116,7 +117,7 @@ function buildActorInstance (type: ActivityPubActorType, url: string, preferredU
     followingCount: 0,
     inboxUrl: url + '/inbox',
     outboxUrl: url + '/outbox',
-    sharedInboxUrl: CONFIG.WEBSERVER.URL + '/inbox',
+    sharedInboxUrl: WEBSERVER.URL + '/inbox',
     followersUrl: url + '/followers',
     followingUrl: url + '/following'
   })
diff --git a/server/lib/activitypub/playlist.ts b/server/lib/activitypub/playlist.ts
index c4a8f12ec..a0d0e736e 100644
--- a/server/lib/activitypub/playlist.ts
+++ b/server/lib/activitypub/playlist.ts
@@ -1,6 +1,6 @@
 import { PlaylistObject } from '../../../shared/models/activitypub/objects/playlist-object'
 import { crawlCollectionPage } from './crawl'
-import { ACTIVITY_PUB, CONFIG, CRAWL_REQUEST_CONCURRENCY, sequelizeTypescript, THUMBNAILS_SIZE } from '../../initializers'
+import { ACTIVITY_PUB, CRAWL_REQUEST_CONCURRENCY, sequelizeTypescript, THUMBNAILS_SIZE } from '../../initializers'
 import { AccountModel } from '../../models/account/account'
 import { isArray } from '../../helpers/custom-validators/misc'
 import { getOrCreateActorAndServerAndModel } from './actor'
@@ -17,6 +17,7 @@ import { VideoModel } from '../../models/video/video'
 import { FilteredModelAttributes } from 'sequelize-typescript/lib/models/Model'
 import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
 import { ActivityIconObject } from '../../../shared/models/activitypub/objects'
+import { CONFIG } from '../../initializers/config'
 
 function playlistObjectToDBAttributes (playlistObject: PlaylistObject, byAccount: AccountModel, to: string[]) {
   const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPlaylistPrivacy.PUBLIC : VideoPlaylistPrivacy.UNLISTED
diff --git a/server/lib/activitypub/process/process-follow.ts b/server/lib/activitypub/process/process-follow.ts
index 276a57e60..ac3dd6ac4 100644
--- a/server/lib/activitypub/process/process-follow.ts
+++ b/server/lib/activitypub/process/process-follow.ts
@@ -1,13 +1,14 @@
 import { ActivityFollow } from '../../../../shared/models/activitypub'
 import { retryTransactionWrapper } from '../../../helpers/database-utils'
 import { logger } from '../../../helpers/logger'
-import { sequelizeTypescript, CONFIG } from '../../../initializers'
+import { sequelizeTypescript } from '../../../initializers'
 import { ActorModel } from '../../../models/activitypub/actor'
 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
 import { sendAccept, sendReject } from '../send'
 import { Notifier } from '../../notifier'
 import { getAPId } from '../../../helpers/activitypub'
 import { getServerActor } from '../../../helpers/utils'
+import { CONFIG } from '../../../initializers/config'
 
 async function processFollowActivity (activity: ActivityFollow, byActor: ActorModel) {
   const activityObject = getAPId(activity.object)
diff --git a/server/lib/activitypub/url.ts b/server/lib/activitypub/url.ts
index 401b83fc2..01950a13b 100644
--- a/server/lib/activitypub/url.ts
+++ b/server/lib/activitypub/url.ts
@@ -1,4 +1,4 @@
-import { CONFIG } from '../../initializers'
+import { WEBSERVER } from '../../initializers'
 import { ActorModel } from '../../models/activitypub/actor'
 import { ActorFollowModel } from '../../models/activitypub/actor-follow'
 import { VideoModel } from '../../models/video/video'
@@ -9,41 +9,41 @@ import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-
 import { VideoPlaylistModel } from '../../models/video/video-playlist'
 
 function getVideoActivityPubUrl (video: VideoModel) {
-  return CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid
+  return WEBSERVER.URL + '/videos/watch/' + video.uuid
 }
 
 function getVideoPlaylistActivityPubUrl (videoPlaylist: VideoPlaylistModel) {
-  return CONFIG.WEBSERVER.URL + '/video-playlists/' + videoPlaylist.uuid
+  return WEBSERVER.URL + '/video-playlists/' + videoPlaylist.uuid
 }
 
 function getVideoPlaylistElementActivityPubUrl (videoPlaylist: VideoPlaylistModel, video: VideoModel) {
-  return CONFIG.WEBSERVER.URL + '/video-playlists/' + videoPlaylist.uuid + '/' + video.uuid
+  return WEBSERVER.URL + '/video-playlists/' + videoPlaylist.uuid + '/' + video.uuid
 }
 
 function getVideoCacheFileActivityPubUrl (videoFile: VideoFileModel) {
   const suffixFPS = videoFile.fps && videoFile.fps !== -1 ? '-' + videoFile.fps : ''
 
-  return `${CONFIG.WEBSERVER.URL}/redundancy/videos/${videoFile.Video.uuid}/${videoFile.resolution}${suffixFPS}`
+  return `${WEBSERVER.URL}/redundancy/videos/${videoFile.Video.uuid}/${videoFile.resolution}${suffixFPS}`
 }
 
 function getVideoCacheStreamingPlaylistActivityPubUrl (video: VideoModel, playlist: VideoStreamingPlaylistModel) {
-  return `${CONFIG.WEBSERVER.URL}/redundancy/streaming-playlists/${playlist.getStringType()}/${video.uuid}`
+  return `${WEBSERVER.URL}/redundancy/streaming-playlists/${playlist.getStringType()}/${video.uuid}`
 }
 
 function getVideoCommentActivityPubUrl (video: VideoModel, videoComment: VideoCommentModel) {
-  return CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid + '/comments/' + videoComment.id
+  return WEBSERVER.URL + '/videos/watch/' + video.uuid + '/comments/' + videoComment.id
 }
 
 function getVideoChannelActivityPubUrl (videoChannelName: string) {
-  return CONFIG.WEBSERVER.URL + '/video-channels/' + videoChannelName
+  return WEBSERVER.URL + '/video-channels/' + videoChannelName
 }
 
 function getAccountActivityPubUrl (accountName: string) {
-  return CONFIG.WEBSERVER.URL + '/accounts/' + accountName
+  return WEBSERVER.URL + '/accounts/' + accountName
 }
 
 function getVideoAbuseActivityPubUrl (videoAbuse: VideoAbuseModel) {
-  return CONFIG.WEBSERVER.URL + '/admin/video-abuses/' + videoAbuse.id
+  return WEBSERVER.URL + '/admin/video-abuses/' + videoAbuse.id
 }
 
 function getVideoViewActivityPubUrl (byActor: ActorModel, video: VideoModel) {
diff --git a/server/lib/activitypub/videos.ts b/server/lib/activitypub/videos.ts
index caff0621e..191f4817b 100644
--- a/server/lib/activitypub/videos.ts
+++ b/server/lib/activitypub/videos.ts
@@ -19,7 +19,6 @@ import { logger } from '../../helpers/logger'
 import { doRequest, downloadImage } from '../../helpers/requests'
 import {
   ACTIVITY_PUB,
-  CONFIG,
   MIMETYPES,
   P2P_MEDIA_LOADER_PEER_VERSION,
   REMOTE_SCHEME,
@@ -51,6 +50,7 @@ import { FilteredModelAttributes } from 'sequelize-typescript/lib/models/Model'
 import { AccountVideoRateModel } from '../../models/account/account-video-rate'
 import { VideoShareModel } from '../../models/video/video-share'
 import { VideoCommentModel } from '../../models/video/video-comment'
+import { CONFIG } from '../../initializers/config'
 
 async function federateVideoIfNeeded (video: VideoModel, isNewVideo: boolean, transaction?: sequelize.Transaction) {
   // If the video is not private and is published, we federate it
diff --git a/server/lib/avatar.ts b/server/lib/avatar.ts
index 021426a1a..a5316df4b 100644
--- a/server/lib/avatar.ts
+++ b/server/lib/avatar.ts
@@ -1,6 +1,6 @@
 import 'multer'
 import { sendUpdateActor } from './activitypub/send'
-import { AVATARS_SIZE, CONFIG, sequelizeTypescript } from '../initializers'
+import { AVATARS_SIZE, sequelizeTypescript } from '../initializers'
 import { updateActorAvatarInstance } from './activitypub'
 import { processImage } from '../helpers/image-utils'
 import { AccountModel } from '../models/account/account'
@@ -8,6 +8,7 @@ import { VideoChannelModel } from '../models/video/video-channel'
 import { extname, join } from 'path'
 import { retryTransactionWrapper } from '../helpers/database-utils'
 import * as uuidv4 from 'uuid/v4'
+import { CONFIG } from '../initializers/config'
 
 async function updateActorAvatarFile (avatarPhysicalFile: Express.Multer.File, accountOrChannel: AccountModel | VideoChannelModel) {
   const extension = extname(avatarPhysicalFile.filename)
diff --git a/server/lib/client-html.ts b/server/lib/client-html.ts
index 217f6a437..f8e1e456f 100644
--- a/server/lib/client-html.ts
+++ b/server/lib/client-html.ts
@@ -1,6 +1,6 @@
 import * as express from 'express'
 import { buildFileLocale, getDefaultLocale, is18nLocale, POSSIBLE_LOCALES } from '../../shared/models/i18n/i18n'
-import { CONFIG, CUSTOM_HTML_TAG_COMMENTS, EMBED_SIZE } from '../initializers'
+import { CUSTOM_HTML_TAG_COMMENTS, EMBED_SIZE, WEBSERVER } from '../initializers'
 import { join } from 'path'
 import { escapeHTML } from '../helpers/core-utils'
 import { VideoModel } from '../models/video/video'
@@ -11,6 +11,7 @@ import { getActivityStreamDuration } from '../models/video/video-format-utils'
 import { AccountModel } from '../models/account/account'
 import { VideoChannelModel } from '../models/video/video-channel'
 import * as Bluebird from 'bluebird'
+import { CONFIG } from '../initializers/config'
 
 export class ClientHtml {
 
@@ -106,7 +107,7 @@ export class ClientHtml {
 
       // Save locale in cookies
       res.cookie('clientLanguage', lang, {
-        secure: CONFIG.WEBSERVER.SCHEME === 'https',
+        secure: WEBSERVER.SCHEME === 'https',
         sameSite: true,
         maxAge: 1000 * 3600 * 24 * 90 // 3 months
       })
@@ -143,12 +144,12 @@ export class ClientHtml {
   }
 
   private static addVideoOpenGraphAndOEmbedTags (htmlStringPage: string, video: VideoModel) {
-    const previewUrl = CONFIG.WEBSERVER.URL + video.getPreviewStaticPath()
-    const videoUrl = CONFIG.WEBSERVER.URL + video.getWatchStaticPath()
+    const previewUrl = WEBSERVER.URL + video.getPreviewStaticPath()
+    const videoUrl = WEBSERVER.URL + video.getWatchStaticPath()
 
     const videoNameEscaped = escapeHTML(video.name)
     const videoDescriptionEscaped = escapeHTML(video.description)
-    const embedUrl = CONFIG.WEBSERVER.URL + video.getEmbedStaticPath()
+    const embedUrl = WEBSERVER.URL + video.getEmbedStaticPath()
 
     const openGraphMetaTags = {
       'og:type': 'video',
@@ -180,7 +181,7 @@ export class ClientHtml {
     const oembedLinkTags = [
       {
         type: 'application/json+oembed',
-        href: CONFIG.WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(videoUrl),
+        href: WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(videoUrl),
         title: videoNameEscaped
       }
     ]
diff --git a/server/lib/emailer.ts b/server/lib/emailer.ts
index aa9083362..8c06e9751 100644
--- a/server/lib/emailer.ts
+++ b/server/lib/emailer.ts
@@ -1,7 +1,7 @@
 import { createTransport, Transporter } from 'nodemailer'
 import { isTestInstance } from '../helpers/core-utils'
 import { bunyanLogger, logger } from '../helpers/logger'
-import { CONFIG } from '../initializers'
+import { CONFIG } from '../initializers/config'
 import { UserModel } from '../models/account/user'
 import { VideoModel } from '../models/video/video'
 import { JobQueue } from './job-queue'
@@ -12,6 +12,7 @@ import { VideoAbuseModel } from '../models/video/video-abuse'
 import { VideoBlacklistModel } from '../models/video/video-blacklist'
 import { VideoImportModel } from '../models/video/video-import'
 import { ActorFollowModel } from '../models/activitypub/actor-follow'
+import { WEBSERVER } from '../initializers/constants'
 
 type SendEmailOptions = {
   to: string[]
@@ -91,7 +92,7 @@ class Emailer {
 
   addNewVideoFromSubscriberNotification (to: string[], video: VideoModel) {
     const channelName = video.VideoChannel.getDisplayName()
-    const videoUrl = CONFIG.WEBSERVER.URL + video.getWatchStaticPath()
+    const videoUrl = WEBSERVER.URL + video.getWatchStaticPath()
 
     const text = `Hi dear user,\n\n` +
       `Your subscription ${channelName} just published a new video: ${video.name}` +
@@ -148,7 +149,7 @@ class Emailer {
   }
 
   myVideoPublishedNotification (to: string[], video: VideoModel) {
-    const videoUrl = CONFIG.WEBSERVER.URL + video.getWatchStaticPath()
+    const videoUrl = WEBSERVER.URL + video.getWatchStaticPath()
 
     const text = `Hi dear user,\n\n` +
       `Your video ${video.name} has been published.` +
@@ -168,7 +169,7 @@ class Emailer {
   }
 
   myVideoImportSuccessNotification (to: string[], videoImport: VideoImportModel) {
-    const videoUrl = CONFIG.WEBSERVER.URL + videoImport.Video.getWatchStaticPath()
+    const videoUrl = WEBSERVER.URL + videoImport.Video.getWatchStaticPath()
 
     const text = `Hi dear user,\n\n` +
       `Your video import ${videoImport.getTargetIdentifier()} is finished.` +
@@ -188,7 +189,7 @@ class Emailer {
   }
 
   myVideoImportErrorNotification (to: string[], videoImport: VideoImportModel) {
-    const importUrl = CONFIG.WEBSERVER.URL + '/my-account/video-imports'
+    const importUrl = WEBSERVER.URL + '/my-account/video-imports'
 
     const text = `Hi dear user,\n\n` +
       `Your video import ${videoImport.getTargetIdentifier()} encountered an error.` +
@@ -210,7 +211,7 @@ class Emailer {
   addNewCommentOnMyVideoNotification (to: string[], comment: VideoCommentModel) {
     const accountName = comment.Account.getDisplayName()
     const video = comment.Video
-    const commentUrl = CONFIG.WEBSERVER.URL + comment.getCommentStaticPath()
+    const commentUrl = WEBSERVER.URL + comment.getCommentStaticPath()
 
     const text = `Hi dear user,\n\n` +
       `A new comment has been posted by ${accountName} on your video ${video.name}` +
@@ -232,7 +233,7 @@ class Emailer {
   addNewCommentMentionNotification (to: string[], comment: VideoCommentModel) {
     const accountName = comment.Account.getDisplayName()
     const video = comment.Video
-    const commentUrl = CONFIG.WEBSERVER.URL + comment.getCommentStaticPath()
+    const commentUrl = WEBSERVER.URL + comment.getCommentStaticPath()
 
     const text = `Hi dear user,\n\n` +
       `${accountName} mentioned you on video ${video.name}` +
@@ -252,10 +253,10 @@ class Emailer {
   }
 
   addVideoAbuseModeratorsNotification (to: string[], videoAbuse: VideoAbuseModel) {
-    const videoUrl = CONFIG.WEBSERVER.URL + videoAbuse.Video.getWatchStaticPath()
+    const videoUrl = WEBSERVER.URL + videoAbuse.Video.getWatchStaticPath()
 
     const text = `Hi,\n\n` +
-      `${CONFIG.WEBSERVER.HOST} received an abuse for the following video ${videoUrl}\n\n` +
+      `${WEBSERVER.HOST} received an abuse for the following video ${videoUrl}\n\n` +
       `Cheers,\n` +
       `PeerTube.`
 
@@ -269,8 +270,8 @@ class Emailer {
   }
 
   addVideoAutoBlacklistModeratorsNotification (to: string[], video: VideoModel) {
-    const VIDEO_AUTO_BLACKLIST_URL = CONFIG.WEBSERVER.URL + '/admin/moderation/video-auto-blacklist/list'
-    const videoUrl = CONFIG.WEBSERVER.URL + video.getWatchStaticPath()
+    const VIDEO_AUTO_BLACKLIST_URL = WEBSERVER.URL + '/admin/moderation/video-auto-blacklist/list'
+    const videoUrl = WEBSERVER.URL + video.getWatchStaticPath()
 
     const text = `Hi,\n\n` +
       `A recently added video was auto-blacklisted and requires moderator review before publishing.` +
@@ -293,13 +294,13 @@ class Emailer {
 
   addNewUserRegistrationNotification (to: string[], user: UserModel) {
     const text = `Hi,\n\n` +
-      `User ${user.username} just registered on ${CONFIG.WEBSERVER.HOST} PeerTube instance.\n\n` +
+      `User ${user.username} just registered on ${WEBSERVER.HOST} PeerTube instance.\n\n` +
       `Cheers,\n` +
       `PeerTube.`
 
     const emailPayload: EmailPayload = {
       to,
-      subject: '[PeerTube] New user registration on ' + CONFIG.WEBSERVER.HOST,
+      subject: '[PeerTube] New user registration on ' + WEBSERVER.HOST,
       text
     }
 
@@ -308,10 +309,10 @@ class Emailer {
 
   addVideoBlacklistNotification (to: string[], videoBlacklist: VideoBlacklistModel) {
     const videoName = videoBlacklist.Video.name
-    const videoUrl = CONFIG.WEBSERVER.URL + videoBlacklist.Video.getWatchStaticPath()
+    const videoUrl = WEBSERVER.URL + videoBlacklist.Video.getWatchStaticPath()
 
     const reasonString = videoBlacklist.reason ? ` for the following reason: ${videoBlacklist.reason}` : ''
-    const blockedString = `Your video ${videoName} (${videoUrl} on ${CONFIG.WEBSERVER.HOST} has been blacklisted${reasonString}.`
+    const blockedString = `Your video ${videoName} (${videoUrl} on ${WEBSERVER.HOST} has been blacklisted${reasonString}.`
 
     const text = 'Hi,\n\n' +
       blockedString +
@@ -329,10 +330,10 @@ class Emailer {
   }
 
   addVideoUnblacklistNotification (to: string[], video: VideoModel) {
-    const videoUrl = CONFIG.WEBSERVER.URL + video.getWatchStaticPath()
+    const videoUrl = WEBSERVER.URL + video.getWatchStaticPath()
 
     const text = 'Hi,\n\n' +
-      `Your video ${video.name} (${videoUrl}) on ${CONFIG.WEBSERVER.HOST} has been unblacklisted.` +
+      `Your video ${video.name} (${videoUrl}) on ${WEBSERVER.HOST} has been unblacklisted.` +
       '\n\n' +
       'Cheers,\n' +
       `PeerTube.`
@@ -348,7 +349,7 @@ class Emailer {
 
   addPasswordResetEmailJob (to: string, resetPasswordUrl: string) {
     const text = `Hi dear user,\n\n` +
-      `A reset password procedure for your account ${to} has been requested on ${CONFIG.WEBSERVER.HOST} ` +
+      `A reset password procedure for your account ${to} has been requested on ${WEBSERVER.HOST} ` +
       `Please follow this link to reset it: ${resetPasswordUrl}\n\n` +
       `If you are not the person who initiated this request, please ignore this email.\n\n` +
       `Cheers,\n` +
@@ -365,7 +366,7 @@ class Emailer {
 
   addVerifyEmailJob (to: string, verifyEmailUrl: string) {
     const text = `Welcome to PeerTube,\n\n` +
-      `To start using PeerTube on ${CONFIG.WEBSERVER.HOST} you must  verify your email! ` +
+      `To start using PeerTube on ${WEBSERVER.HOST} you must  verify your email! ` +
       `Please follow this link to verify this email belongs to you: ${verifyEmailUrl}\n\n` +
       `If you are not the person who initiated this request, please ignore this email.\n\n` +
       `Cheers,\n` +
@@ -383,7 +384,7 @@ class Emailer {
   addUserBlockJob (user: UserModel, blocked: boolean, reason?: string) {
     const reasonString = reason ? ` for the following reason: ${reason}` : ''
     const blockedWord = blocked ? 'blocked' : 'unblocked'
-    const blockedString = `Your account ${user.username} on ${CONFIG.WEBSERVER.HOST} has been ${blockedWord}${reasonString}.`
+    const blockedString = `Your account ${user.username} on ${WEBSERVER.HOST} has been ${blockedWord}${reasonString}.`
 
     const text = 'Hi,\n\n' +
       blockedString +
@@ -428,7 +429,7 @@ class Emailer {
 
     const fromDisplayName = options.fromDisplayName
       ? options.fromDisplayName
-      : CONFIG.WEBSERVER.HOST
+      : WEBSERVER.HOST
 
     return this.transporter.sendMail({
       from: `"${fromDisplayName}" <${CONFIG.SMTP.FROM_ADDRESS}>`,
diff --git a/server/lib/files-cache/videos-caption-cache.ts b/server/lib/files-cache/videos-caption-cache.ts
index fe5b441af..f5ccfe0a2 100644
--- a/server/lib/files-cache/videos-caption-cache.ts
+++ b/server/lib/files-cache/videos-caption-cache.ts
@@ -1,8 +1,9 @@
 import { join } from 'path'
-import { FILES_CACHE, CONFIG } from '../../initializers'
+import { FILES_CACHE } from '../../initializers'
 import { VideoModel } from '../../models/video/video'
 import { VideoCaptionModel } from '../../models/video/video-caption'
 import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
+import { CONFIG } from '../../initializers/config'
 
 type GetPathParam = { videoId: string, language: string }
 
diff --git a/server/lib/files-cache/videos-preview-cache.ts b/server/lib/files-cache/videos-preview-cache.ts
index 01cd3647e..192f99aec 100644
--- a/server/lib/files-cache/videos-preview-cache.ts
+++ b/server/lib/files-cache/videos-preview-cache.ts
@@ -1,7 +1,8 @@
 import { join } from 'path'
-import { FILES_CACHE, CONFIG, STATIC_PATHS } from '../../initializers'
+import { FILES_CACHE, STATIC_PATHS } from '../../initializers'
 import { VideoModel } from '../../models/video/video'
 import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
+import { CONFIG } from '../../initializers/config'
 
 class VideosPreviewCache extends AbstractVideoStaticFileCache <string> {
 
diff --git a/server/lib/hls.ts b/server/lib/hls.ts
index a9a96dd16..e804e7b3a 100644
--- a/server/lib/hls.ts
+++ b/server/lib/hls.ts
@@ -1,6 +1,6 @@
 import { VideoModel } from '../models/video/video'
 import { basename, dirname, join } from 'path'
-import { CONFIG, HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, sequelizeTypescript } from '../initializers'
+import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, sequelizeTypescript } from '../initializers'
 import { close, ensureDir, move, open, outputJSON, pathExists, read, readFile, remove, writeFile } from 'fs-extra'
 import { getVideoFileSize } from '../helpers/ffmpeg-utils'
 import { sha256 } from '../helpers/core-utils'
@@ -10,6 +10,7 @@ import { doRequest, doRequestAndSaveToFile } from '../helpers/requests'
 import { generateRandomString } from '../helpers/utils'
 import { flatten, uniq } from 'lodash'
 import { VideoFileModel } from '../models/video/video-file'
+import { CONFIG } from '../initializers/config'
 
 async function updateStreamingPlaylistsInfohashesIfNeeded () {
   const playlistsToUpdate = await VideoStreamingPlaylistModel.listByIncorrectPeerVersion()
diff --git a/server/lib/job-queue/handlers/activitypub-follow.ts b/server/lib/job-queue/handlers/activitypub-follow.ts
index e7e5ff950..7c84aa937 100644
--- a/server/lib/job-queue/handlers/activitypub-follow.ts
+++ b/server/lib/job-queue/handlers/activitypub-follow.ts
@@ -1,6 +1,6 @@
 import * as Bull from 'bull'
 import { logger } from '../../../helpers/logger'
-import { CONFIG, REMOTE_SCHEME, sequelizeTypescript } from '../../../initializers'
+import { REMOTE_SCHEME, sequelizeTypescript, WEBSERVER } from '../../../initializers'
 import { sendFollow } from '../../activitypub/send'
 import { sanitizeHost } from '../../../helpers/core-utils'
 import { loadActorUrlOrGetFromWebfinger } from '../../../helpers/webfinger'
@@ -23,7 +23,7 @@ async function processActivityPubFollow (job: Bull.Job) {
   logger.info('Processing ActivityPub follow in job %d.', job.id)
 
   let targetActor: ActorModel
-  if (!host || host === CONFIG.WEBSERVER.HOST) {
+  if (!host || host === WEBSERVER.HOST) {
     targetActor = await ActorModel.loadLocalByName(payload.name)
   } else {
     const sanitizedHost = sanitizeHost(host, REMOTE_SCHEME.HTTP)
diff --git a/server/lib/job-queue/handlers/video-import.ts b/server/lib/job-queue/handlers/video-import.ts
index c5fc1061c..732773efd 100644
--- a/server/lib/job-queue/handlers/video-import.ts
+++ b/server/lib/job-queue/handlers/video-import.ts
@@ -6,7 +6,7 @@ import { VideoImportState } from '../../../../shared/models/videos'
 import { getDurationFromVideoFile, getVideoFileFPS, getVideoFileResolution } from '../../../helpers/ffmpeg-utils'
 import { extname, join } from 'path'
 import { VideoFileModel } from '../../../models/video/video-file'
-import { CONFIG, PREVIEWS_SIZE, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_IMPORT_TIMEOUT } from '../../../initializers'
+import { PREVIEWS_SIZE, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_IMPORT_TIMEOUT } from '../../../initializers'
 import { downloadImage } from '../../../helpers/requests'
 import { VideoState } from '../../../../shared'
 import { JobQueue } from '../index'
@@ -14,8 +14,9 @@ import { federateVideoIfNeeded } from '../../activitypub'
 import { VideoModel } from '../../../models/video/video'
 import { downloadWebTorrentVideo } from '../../../helpers/webtorrent'
 import { getSecureTorrentName } from '../../../helpers/utils'
-import { remove, move, stat } from 'fs-extra'
+import { move, remove, stat } from 'fs-extra'
 import { Notifier } from '../../notifier'
+import { CONFIG } from '../../../initializers/config'
 
 type VideoImportYoutubeDLPayload = {
   type: 'youtube-dl'
diff --git a/server/lib/job-queue/handlers/video-transcoding.ts b/server/lib/job-queue/handlers/video-transcoding.ts
index 581ec283e..48cac517e 100644
--- a/server/lib/job-queue/handlers/video-transcoding.ts
+++ b/server/lib/job-queue/handlers/video-transcoding.ts
@@ -5,11 +5,12 @@ import { VideoModel } from '../../../models/video/video'
 import { JobQueue } from '../job-queue'
 import { federateVideoIfNeeded } from '../../activitypub'
 import { retryTransactionWrapper } from '../../../helpers/database-utils'
-import { CONFIG, sequelizeTypescript } from '../../../initializers'
+import { sequelizeTypescript } from '../../../initializers'
 import * as Bluebird from 'bluebird'
 import { computeResolutionsToTranscode } from '../../../helpers/ffmpeg-utils'
 import { generateHlsPlaylist, optimizeVideofile, transcodeOriginalVideofile } from '../../video-transcoding'
 import { Notifier } from '../../notifier'
+import { CONFIG } from '../../../initializers/config'
 
 export type VideoTranscodingPayload = {
   videoUUID: string
diff --git a/server/lib/job-queue/job-queue.ts b/server/lib/job-queue/job-queue.ts
index cee0941c7..1c2aa109d 100644
--- a/server/lib/job-queue/job-queue.ts
+++ b/server/lib/job-queue/job-queue.ts
@@ -2,7 +2,7 @@ import * as Bull from 'bull'
 import { JobState, JobType } from '../../../shared/models'
 import { logger } from '../../helpers/logger'
 import { Redis } from '../redis'
-import { CONFIG, JOB_ATTEMPTS, JOB_COMPLETED_LIFETIME, JOB_CONCURRENCY, JOB_TTL, REPEAT_JOBS } from '../../initializers'
+import { JOB_ATTEMPTS, JOB_COMPLETED_LIFETIME, JOB_CONCURRENCY, JOB_TTL, REPEAT_JOBS, WEBSERVER } from '../../initializers'
 import { ActivitypubHttpBroadcastPayload, processActivityPubHttpBroadcast } from './handlers/activitypub-http-broadcast'
 import { ActivitypubHttpFetcherPayload, processActivityPubHttpFetcher } from './handlers/activitypub-http-fetcher'
 import { ActivitypubHttpUnicastPayload, processActivityPubHttpUnicast } from './handlers/activitypub-http-unicast'
@@ -68,7 +68,7 @@ class JobQueue {
     if (this.initialized === true) return
     this.initialized = true
 
-    this.jobRedisPrefix = 'bull-' + CONFIG.WEBSERVER.HOST
+    this.jobRedisPrefix = 'bull-' + WEBSERVER.HOST
     const queueOptions = {
       prefix: this.jobRedisPrefix,
       redis: Redis.getRedisClient(),
diff --git a/server/lib/notifier.ts b/server/lib/notifier.ts
index 91b71cc64..c1e63fa8f 100644
--- a/server/lib/notifier.ts
+++ b/server/lib/notifier.ts
@@ -6,7 +6,7 @@ import { UserNotificationModel } from '../models/account/user-notification'
 import { VideoCommentModel } from '../models/video/video-comment'
 import { UserModel } from '../models/account/user'
 import { PeerTubeSocket } from './peertube-socket'
-import { CONFIG } from '../initializers/constants'
+import { CONFIG } from '../initializers/config'
 import { VideoPrivacy, VideoState } from '../../shared/models/videos'
 import { VideoAbuseModel } from '../models/video/video-abuse'
 import { VideoBlacklistModel } from '../models/video/video-blacklist'
diff --git a/server/lib/oauth-model.ts b/server/lib/oauth-model.ts
index 5b4a2bcf9..eb0e63bc8 100644
--- a/server/lib/oauth-model.ts
+++ b/server/lib/oauth-model.ts
@@ -4,8 +4,9 @@ import { logger } from '../helpers/logger'
 import { UserModel } from '../models/account/user'
 import { OAuthClientModel } from '../models/oauth/oauth-client'
 import { OAuthTokenModel } from '../models/oauth/oauth-token'
-import { CONFIG, CACHE } from '../initializers/constants'
+import { CACHE } from '../initializers/constants'
 import { Transaction } from 'sequelize'
+import { CONFIG } from '../initializers/config'
 
 type TokenInfo = { accessToken: string, refreshToken: string, accessTokenExpiresAt: Date, refreshTokenExpiresAt: Date }
 let accessTokenCache: { [ accessToken: string ]: OAuthTokenModel } = {}
diff --git a/server/lib/redis.ts b/server/lib/redis.ts
index d85dbe2b5..a7ec8c9df 100644
--- a/server/lib/redis.ts
+++ b/server/lib/redis.ts
@@ -3,12 +3,13 @@ import { createClient, RedisClient } from 'redis'
 import { logger } from '../helpers/logger'
 import { generateRandomString } from '../helpers/utils'
 import {
-  CONFIG,
   CONTACT_FORM_LIFETIME,
   USER_EMAIL_VERIFY_LIFETIME,
   USER_PASSWORD_RESET_LIFETIME,
-  VIDEO_VIEW_LIFETIME
+  VIDEO_VIEW_LIFETIME,
+  WEBSERVER
 } from '../initializers'
+import { CONFIG } from '../initializers/config'
 
 type CachedRoute = {
   body: string,
@@ -41,7 +42,7 @@ class Redis {
       this.client.auth(CONFIG.REDIS.AUTH)
     }
 
-    this.prefix = 'redis-' + CONFIG.WEBSERVER.HOST + '-'
+    this.prefix = 'redis-' + WEBSERVER.HOST + '-'
   }
 
   static getRedisClient () {
diff --git a/server/lib/schedulers/videos-redundancy-scheduler.ts b/server/lib/schedulers/videos-redundancy-scheduler.ts
index 1a48f2bd0..4a8a1d413 100644
--- a/server/lib/schedulers/videos-redundancy-scheduler.ts
+++ b/server/lib/schedulers/videos-redundancy-scheduler.ts
@@ -1,5 +1,5 @@
 import { AbstractScheduler } from './abstract-scheduler'
-import { CONFIG, HLS_REDUNDANCY_DIRECTORY, REDUNDANCY, VIDEO_IMPORT_TIMEOUT } from '../../initializers'
+import { HLS_REDUNDANCY_DIRECTORY, REDUNDANCY, VIDEO_IMPORT_TIMEOUT, WEBSERVER } from '../../initializers'
 import { logger } from '../../helpers/logger'
 import { VideosRedundancy } from '../../../shared/models/redundancy'
 import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
@@ -15,6 +15,7 @@ import { getOrCreateVideoAndAccountAndChannel } from '../activitypub'
 import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
 import { VideoModel } from '../../models/video/video'
 import { downloadPlaylistSegments } from '../hls'
+import { CONFIG } from '../../initializers/config'
 
 type CandidateToDuplicate = {
   redundancy: VideosRedundancy,
@@ -186,7 +187,7 @@ export class VideosRedundancyScheduler extends AbstractScheduler {
     const createdModel = await VideoRedundancyModel.create({
       expiresOn: this.buildNewExpiration(redundancy.minLifetime),
       url: getVideoCacheFileActivityPubUrl(file),
-      fileUrl: video.getVideoRedundancyUrl(file, CONFIG.WEBSERVER.URL),
+      fileUrl: video.getVideoRedundancyUrl(file, WEBSERVER.URL),
       strategy: redundancy.strategy,
       videoFileId: file.id,
       actorId: serverActor.id
@@ -212,7 +213,7 @@ export class VideosRedundancyScheduler extends AbstractScheduler {
     const createdModel = await VideoRedundancyModel.create({
       expiresOn: this.buildNewExpiration(redundancy.minLifetime),
       url: getVideoCacheStreamingPlaylistActivityPubUrl(video, playlist),
-      fileUrl: playlist.getVideoRedundancyUrl(CONFIG.WEBSERVER.URL),
+      fileUrl: playlist.getVideoRedundancyUrl(WEBSERVER.URL),
       strategy: redundancy.strategy,
       videoStreamingPlaylistId: playlist.id,
       actorId: serverActor.id
diff --git a/server/lib/video-blacklist.ts b/server/lib/video-blacklist.ts
index dc4e0aed9..a5c6fcbb2 100644
--- a/server/lib/video-blacklist.ts
+++ b/server/lib/video-blacklist.ts
@@ -1,5 +1,5 @@
 import * as sequelize from 'sequelize'
-import { CONFIG } from '../initializers/constants'
+import { CONFIG } from '../initializers/config'
 import { VideoBlacklistType, UserRight } from '../../shared/models'
 import { VideoBlacklistModel } from '../models/video/video-blacklist'
 import { UserModel } from '../models/account/user'
diff --git a/server/lib/video-transcoding.ts b/server/lib/video-transcoding.ts
index dbc22816c..11098dca3 100644
--- a/server/lib/video-transcoding.ts
+++ b/server/lib/video-transcoding.ts
@@ -1,4 +1,4 @@
-import { CONFIG, HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION } from '../initializers'
+import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers'
 import { join } from 'path'
 import { getVideoFileFPS, transcode } from '../helpers/ffmpeg-utils'
 import { ensureDir, move, remove, stat } from 'fs-extra'
@@ -9,6 +9,7 @@ import { VideoModel } from '../models/video/video'
 import { updateMasterHLSPlaylist, updateSha256Segments } from './hls'
 import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
 import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type'
+import { CONFIG } from '../initializers/config'
 
 async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFileModel) {
   const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
@@ -111,12 +112,12 @@ async function generateHlsPlaylist (video: VideoModel, resolution: VideoResoluti
   await updateMasterHLSPlaylist(video)
   await updateSha256Segments(video)
 
-  const playlistUrl = CONFIG.WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
+  const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
 
   await VideoStreamingPlaylistModel.upsert({
     videoId: video.id,
     playlistUrl,
-    segmentsSha256Url: CONFIG.WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid),
+    segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid),
     p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, video.VideoFiles),
     p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
 
diff --git a/server/middlewares/csp.ts b/server/middlewares/csp.ts
index 404e33b43..d484b3021 100644
--- a/server/middlewares/csp.ts
+++ b/server/middlewares/csp.ts
@@ -1,5 +1,5 @@
 import * as helmet from 'helmet'
-import { CONFIG } from '../initializers/constants'
+import { CONFIG } from '../initializers/config'
 
 const baseDirectives = Object.assign({},
   {
diff --git a/server/middlewares/validators/blocklist.ts b/server/middlewares/validators/blocklist.ts
index f5b295f45..7c494de78 100644
--- a/server/middlewares/validators/blocklist.ts
+++ b/server/middlewares/validators/blocklist.ts
@@ -3,13 +3,12 @@ import * as express from 'express'
 import { logger } from '../../helpers/logger'
 import { areValidationErrors } from './utils'
 import { doesAccountNameWithHostExist } from '../../helpers/custom-validators/accounts'
-import { UserModel } from '../../models/account/user'
 import { AccountBlocklistModel } from '../../models/account/account-blocklist'
 import { isHostValid } from '../../helpers/custom-validators/servers'
 import { ServerBlocklistModel } from '../../models/server/server-blocklist'
 import { ServerModel } from '../../models/server/server'
-import { CONFIG } from '../../initializers'
 import { getServerActor } from '../../helpers/utils'
+import { WEBSERVER } from '../../initializers/constants'
 
 const blockAccountValidator = [
   body('accountName').exists().withMessage('Should have an account name with host'),
@@ -79,7 +78,7 @@ const blockServerValidator = [
 
     const host: string = req.body.host
 
-    if (host === CONFIG.WEBSERVER.HOST) {
+    if (host === WEBSERVER.HOST) {
       return res.status(409)
         .send({ error: 'You cannot block your own server.' })
         .end()
diff --git a/server/middlewares/validators/follows.ts b/server/middlewares/validators/follows.ts
index b360cf95e..5623b4ba6 100644
--- a/server/middlewares/validators/follows.ts
+++ b/server/middlewares/validators/follows.ts
@@ -4,7 +4,7 @@ import { isTestInstance } from '../../helpers/core-utils'
 import { isEachUniqueHostValid, isHostValid } from '../../helpers/custom-validators/servers'
 import { logger } from '../../helpers/logger'
 import { getServerActor } from '../../helpers/utils'
-import { CONFIG, SERVER_ACTOR_NAME } from '../../initializers'
+import { SERVER_ACTOR_NAME, WEBSERVER } from '../../initializers'
 import { ActorFollowModel } from '../../models/activitypub/actor-follow'
 import { areValidationErrors } from './utils'
 import { ActorModel } from '../../models/activitypub/actor'
@@ -16,7 +16,7 @@ const followValidator = [
 
   (req: express.Request, res: express.Response, next: express.NextFunction) => {
     // Force https if the administrator wants to make friends
-    if (isTestInstance() === false && CONFIG.WEBSERVER.SCHEME === 'http') {
+    if (isTestInstance() === false && WEBSERVER.SCHEME === 'http') {
       return res.status(500)
         .json({
           error: 'Cannot follow on a non HTTPS web server.'
diff --git a/server/middlewares/validators/oembed.ts b/server/middlewares/validators/oembed.ts
index c89bc26de..0bb908d0b 100644
--- a/server/middlewares/validators/oembed.ts
+++ b/server/middlewares/validators/oembed.ts
@@ -5,10 +5,10 @@ import { isTestInstance } from '../../helpers/core-utils'
 import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc'
 import { doesVideoExist } from '../../helpers/custom-validators/videos'
 import { logger } from '../../helpers/logger'
-import { CONFIG } from '../../initializers'
 import { areValidationErrors } from './utils'
+import { WEBSERVER } from '../../initializers/constants'
 
-const urlShouldStartWith = CONFIG.WEBSERVER.SCHEME + '://' + join(CONFIG.WEBSERVER.HOST, 'videos', 'watch') + '/'
+const urlShouldStartWith = WEBSERVER.SCHEME + '://' + join(WEBSERVER.HOST, 'videos', 'watch') + '/'
 const videoWatchRegex = new RegExp('([^/]+)$')
 const isURLOptions = {
   require_host: true,
diff --git a/server/middlewares/validators/server.ts b/server/middlewares/validators/server.ts
index e62a17163..6eff8e9ee 100644
--- a/server/middlewares/validators/server.ts
+++ b/server/middlewares/validators/server.ts
@@ -7,7 +7,7 @@ import { body } from 'express-validator/check'
 import { isUserDisplayNameValid } from '../../helpers/custom-validators/users'
 import { Emailer } from '../../lib/emailer'
 import { Redis } from '../../lib/redis'
-import { CONFIG } from '../../initializers/constants'
+import { CONFIG } from '../../initializers/config'
 
 const serverGetValidator = [
   body('host').custom(isHostValid).withMessage('Should have a valid host'),
diff --git a/server/middlewares/validators/user-subscriptions.ts b/server/middlewares/validators/user-subscriptions.ts
index fd82ed017..2356745d7 100644
--- a/server/middlewares/validators/user-subscriptions.ts
+++ b/server/middlewares/validators/user-subscriptions.ts
@@ -5,8 +5,8 @@ import { logger } from '../../helpers/logger'
 import { areValidationErrors } from './utils'
 import { ActorFollowModel } from '../../models/activitypub/actor-follow'
 import { areValidActorHandles, isValidActorHandle } from '../../helpers/custom-validators/activitypub/actor'
-import { CONFIG } from '../../initializers'
 import { toArray } from '../../helpers/custom-validators/misc'
+import { WEBSERVER } from '../../initializers/constants'
 
 const userSubscriptionAddValidator = [
   body('uri').custom(isValidActorHandle).withMessage('Should have a valid URI to follow (username@domain)'),
@@ -43,7 +43,7 @@ const userSubscriptionGetValidator = [
     if (areValidationErrors(req, res)) return
 
     let [ name, host ] = req.params.uri.split('@')
-    if (host === CONFIG.WEBSERVER.HOST) host = null
+    if (host === WEBSERVER.HOST) host = null
 
     const user = res.locals.oauth.token.User
     const subscription = await ActorFollowModel.loadByActorAndTargetNameAndHostForAPI(user.Account.Actor.id, name, host)
diff --git a/server/middlewares/validators/videos/video-imports.ts b/server/middlewares/validators/videos/video-imports.ts
index 3d662b20f..fb13f3ceb 100644
--- a/server/middlewares/validators/videos/video-imports.ts
+++ b/server/middlewares/validators/videos/video-imports.ts
@@ -7,7 +7,7 @@ import { getCommonVideoEditAttributes } from './videos'
 import { isVideoImportTargetUrlValid, isVideoImportTorrentFile } from '../../../helpers/custom-validators/video-imports'
 import { cleanUpReqFiles } from '../../../helpers/express-utils'
 import { doesVideoChannelOfAccountExist, isVideoMagnetUriValid, isVideoNameValid } from '../../../helpers/custom-validators/videos'
-import { CONFIG } from '../../../initializers/constants'
+import { CONFIG } from '../../../initializers/config'
 import { CONSTRAINTS_FIELDS } from '../../../initializers'
 
 const videoImportAddValidator = getCommonVideoEditAttributes().concat([
diff --git a/server/middlewares/validators/videos/videos.ts b/server/middlewares/validators/videos/videos.ts
index e247db708..7ce1a922f 100644
--- a/server/middlewares/validators/videos/videos.ts
+++ b/server/middlewares/validators/videos/videos.ts
@@ -32,7 +32,7 @@ import {
 } from '../../../helpers/custom-validators/videos'
 import { getDurationFromVideoFile } from '../../../helpers/ffmpeg-utils'
 import { logger } from '../../../helpers/logger'
-import { CONFIG, CONSTRAINTS_FIELDS } from '../../../initializers'
+import { CONSTRAINTS_FIELDS } from '../../../initializers'
 import { authenticatePromiseIfNeeded } from '../../oauth'
 import { areValidationErrors } from '../utils'
 import { cleanUpReqFiles } from '../../../helpers/express-utils'
@@ -43,6 +43,7 @@ import { AccountModel } from '../../../models/account/account'
 import { VideoFetchType } from '../../../helpers/video'
 import { isNSFWQueryValid, isNumberArray, isStringArray } from '../../../helpers/custom-validators/search'
 import { getServerActor } from '../../../helpers/utils'
+import { CONFIG } from '../../../initializers/config'
 
 const videosAddValidator = getCommonVideoEditAttributes().concat([
   body('videofile')
diff --git a/server/models/account/account.ts b/server/models/account/account.ts
index 7cc40f631..6f425024e 100644
--- a/server/models/account/account.ts
+++ b/server/models/account/account.ts
@@ -25,9 +25,9 @@ import { getSort, throwIfNotValid } from '../utils'
 import { VideoChannelModel } from '../video/video-channel'
 import { VideoCommentModel } from '../video/video-comment'
 import { UserModel } from './user'
-import { CONFIG } from '../../initializers'
 import { AvatarModel } from '../avatar/avatar'
 import { VideoPlaylistModel } from '../video/video-playlist'
+import { WEBSERVER } from '../../initializers/constants'
 
 export enum ScopeNames {
   SUMMARY = 'SUMMARY'
@@ -199,7 +199,7 @@ export class AccountModel extends Model<AccountModel> {
   static loadByNameWithHost (nameWithHost: string) {
     const [ accountName, host ] = nameWithHost.split('@')
 
-    if (!host || host === CONFIG.WEBSERVER.HOST) return AccountModel.loadLocalByName(accountName)
+    if (!host || host === WEBSERVER.HOST) return AccountModel.loadLocalByName(accountName)
 
     return AccountModel.loadByNameAndHost(accountName, host)
   }
diff --git a/server/models/activitypub/actor.ts b/server/models/activitypub/actor.ts
index 7d91e8a4a..5472c8b92 100644
--- a/server/models/activitypub/actor.ts
+++ b/server/models/activitypub/actor.ts
@@ -30,7 +30,7 @@ import {
   isActorPublicKeyValid
 } from '../../helpers/custom-validators/activitypub/actor'
 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
-import { ACTIVITY_PUB, ACTIVITY_PUB_ACTOR_TYPES, CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
+import { ACTIVITY_PUB, ACTIVITY_PUB_ACTOR_TYPES, CONSTRAINTS_FIELDS, WEBSERVER } from '../../initializers'
 import { AccountModel } from '../account/account'
 import { AvatarModel } from '../avatar/avatar'
 import { ServerModel } from '../server/server'
@@ -516,7 +516,7 @@ export class ActorModel extends Model<ActorModel> {
   }
 
   getHost () {
-    return this.Server ? this.Server.host : CONFIG.WEBSERVER.HOST
+    return this.Server ? this.Server.host : WEBSERVER.HOST
   }
 
   getRedundancyAllowed () {
@@ -526,7 +526,7 @@ export class ActorModel extends Model<ActorModel> {
   getAvatarUrl () {
     if (!this.avatarId) return undefined
 
-    return CONFIG.WEBSERVER.URL + this.Avatar.getWebserverPath()
+    return WEBSERVER.URL + this.Avatar.getWebserverPath()
   }
 
   isOutdated () {
diff --git a/server/models/avatar/avatar.ts b/server/models/avatar/avatar.ts
index 303aebcc2..455835524 100644
--- a/server/models/avatar/avatar.ts
+++ b/server/models/avatar/avatar.ts
@@ -1,9 +1,10 @@
 import { join } from 'path'
 import { AfterDestroy, AllowNull, Column, CreatedAt, Model, Table, UpdatedAt } from 'sequelize-typescript'
 import { Avatar } from '../../../shared/models/avatars/avatar.model'
-import { CONFIG, STATIC_PATHS } from '../../initializers'
+import { STATIC_PATHS } from '../../initializers'
 import { logger } from '../../helpers/logger'
 import { remove } from 'fs-extra'
+import { CONFIG } from '../../initializers/config'
 
 @Table({
   tableName: 'avatar'
diff --git a/server/models/redundancy/video-redundancy.ts b/server/models/redundancy/video-redundancy.ts
index b722bed14..39c50be5c 100644
--- a/server/models/redundancy/video-redundancy.ts
+++ b/server/models/redundancy/video-redundancy.ts
@@ -15,7 +15,7 @@ import {
 import { ActorModel } from '../activitypub/actor'
 import { getVideoSort, throwIfNotValid } from '../utils'
 import { isActivityPubUrlValid, isUrlValid } from '../../helpers/custom-validators/activitypub/misc'
-import { CONFIG, CONSTRAINTS_FIELDS, MIMETYPES } from '../../initializers'
+import { CONSTRAINTS_FIELDS, MIMETYPES } from '../../initializers'
 import { VideoFileModel } from '../video/video-file'
 import { getServerActor } from '../../helpers/utils'
 import { VideoModel } from '../video/video'
@@ -29,6 +29,7 @@ import { isTestInstance } from '../../helpers/core-utils'
 import * as Bluebird from 'bluebird'
 import * as Sequelize from 'sequelize'
 import { VideoStreamingPlaylistModel } from '../video/video-streaming-playlist'
+import { CONFIG } from '../../initializers/config'
 
 export enum ScopeNames {
   WITH_VIDEO = 'WITH_VIDEO'
diff --git a/server/models/video/video-caption.ts b/server/models/video/video-caption.ts
index b4f17b481..c670bce71 100644
--- a/server/models/video/video-caption.ts
+++ b/server/models/video/video-caption.ts
@@ -16,10 +16,11 @@ import { throwIfNotValid } from '../utils'
 import { VideoModel } from './video'
 import { isVideoCaptionLanguageValid } from '../../helpers/custom-validators/video-captions'
 import { VideoCaption } from '../../../shared/models/videos/caption/video-caption.model'
-import { CONFIG, STATIC_PATHS, VIDEO_LANGUAGES } from '../../initializers'
+import { STATIC_PATHS, VIDEO_LANGUAGES } from '../../initializers'
 import { join } from 'path'
 import { logger } from '../../helpers/logger'
 import { remove } from 'fs-extra'
+import { CONFIG } from '../../initializers/config'
 
 export enum ScopeNames {
   WITH_VIDEO_UUID_AND_REMOTE = 'WITH_VIDEO_UUID_AND_REMOTE'
diff --git a/server/models/video/video-channel.ts b/server/models/video/video-channel.ts
index ca06048d1..1abc23eaa 100644
--- a/server/models/video/video-channel.ts
+++ b/server/models/video/video-channel.ts
@@ -8,7 +8,8 @@ import {
   Default,
   DefaultScope,
   ForeignKey,
-  HasMany, IFindOptions,
+  HasMany,
+  IFindOptions,
   Is,
   Model,
   Scopes,
@@ -28,7 +29,7 @@ import { AccountModel, ScopeNames as AccountModelScopeNames } from '../account/a
 import { ActorModel, unusedActorAttributesForAPI } from '../activitypub/actor'
 import { buildServerIdsFollowedBy, buildTrigramSearchIndex, createSimilarityAttribute, getSort, throwIfNotValid } from '../utils'
 import { VideoModel } from './video'
-import { CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
+import { CONSTRAINTS_FIELDS, WEBSERVER } from '../../initializers'
 import { ServerModel } from '../server/server'
 import { DefineIndexesOptions } from 'sequelize'
 import { AvatarModel } from '../avatar/avatar'
@@ -419,7 +420,7 @@ export class VideoChannelModel extends Model<VideoChannelModel> {
   static loadByNameWithHostAndPopulateAccount (nameWithHost: string) {
     const [ name, host ] = nameWithHost.split('@')
 
-    if (!host || host === CONFIG.WEBSERVER.HOST) return VideoChannelModel.loadLocalByNameAndPopulateAccount(name)
+    if (!host || host === WEBSERVER.HOST) return VideoChannelModel.loadLocalByNameAndPopulateAccount(name)
 
     return VideoChannelModel.loadByNameAndHostAndPopulateAccount(name, host)
   }
diff --git a/server/models/video/video-comment.ts b/server/models/video/video-comment.ts
index 93d84c6fc..47f1cbb99 100644
--- a/server/models/video/video-comment.ts
+++ b/server/models/video/video-comment.ts
@@ -18,7 +18,7 @@ import { ActivityTagObject } from '../../../shared/models/activitypub/objects/co
 import { VideoCommentObject } from '../../../shared/models/activitypub/objects/video-comment-object'
 import { VideoComment } from '../../../shared/models/videos/video-comment.model'
 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
-import { CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
+import { CONSTRAINTS_FIELDS, WEBSERVER } from '../../initializers'
 import { sendDeleteVideoComment } from '../../lib/activitypub/send'
 import { AccountModel } from '../account/account'
 import { ActorModel } from '../activitypub/actor'
@@ -482,7 +482,7 @@ export class VideoCommentModel extends Model<VideoCommentModel> {
     let result: string[] = []
 
     const localMention = `@(${actorNameAlphabet}+)`
-    const remoteMention = `${localMention}@${CONFIG.WEBSERVER.HOST}`
+    const remoteMention = `${localMention}@${WEBSERVER.HOST}`
 
     const mentionRegex = this.isOwned()
       ? '(?:(?:' + remoteMention + ')|(?:' + localMention + '))' // Include local mentions?
diff --git a/server/models/video/video-format-utils.ts b/server/models/video/video-format-utils.ts
index dc10fb9a2..7915fc1f9 100644
--- a/server/models/video/video-format-utils.ts
+++ b/server/models/video/video-format-utils.ts
@@ -7,7 +7,7 @@ import {
   ActivityUrlObject,
   VideoTorrentObject
 } from '../../../shared/models/activitypub/objects'
-import { CONFIG, MIMETYPES, THUMBNAILS_SIZE } from '../../initializers'
+import { MIMETYPES, THUMBNAILS_SIZE, WEBSERVER } from '../../initializers'
 import { VideoCaptionModel } from './video-caption'
 import {
   getVideoCommentsActivityPubUrl,
@@ -290,7 +290,7 @@ function videoModelToActivityPubObject (video: VideoModel): VideoTorrentObject {
     type: 'Link',
     mimeType: 'text/html',
     mediaType: 'text/html',
-    href: CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid
+    href: WEBSERVER.URL + '/videos/watch/' + video.uuid
   })
 
   const subtitleLanguage = []
diff --git a/server/models/video/video-playlist.ts b/server/models/video/video-playlist.ts
index 08e4d32c8..93f36a9d0 100644
--- a/server/models/video/video-playlist.ts
+++ b/server/models/video/video-playlist.ts
@@ -26,12 +26,12 @@ import {
 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
 import {
   ACTIVITY_PUB,
-  CONFIG,
   CONSTRAINTS_FIELDS,
   STATIC_PATHS,
   THUMBNAILS_SIZE,
   VIDEO_PLAYLIST_PRIVACIES,
-  VIDEO_PLAYLIST_TYPES
+  VIDEO_PLAYLIST_TYPES,
+  WEBSERVER
 } from '../../initializers'
 import { VideoPlaylist } from '../../../shared/models/videos/playlist/video-playlist.model'
 import { AccountModel, ScopeNames as AccountScopeNames } from '../account/account'
@@ -43,6 +43,7 @@ import { activityPubCollectionPagination } from '../../helpers/activitypub'
 import { remove } from 'fs-extra'
 import { logger } from '../../helpers/logger'
 import { VideoPlaylistType } from '../../../shared/models/videos/playlist/video-playlist-type.model'
+import { CONFIG } from '../../initializers/config'
 
 enum ScopeNames {
   AVAILABLE_FOR_LIST = 'AVAILABLE_FOR_LIST',
@@ -417,7 +418,7 @@ export class VideoPlaylistModel extends Model<VideoPlaylistModel> {
   }
 
   getThumbnailUrl () {
-    return CONFIG.WEBSERVER.URL + STATIC_PATHS.THUMBNAILS + this.getThumbnailName()
+    return WEBSERVER.URL + STATIC_PATHS.THUMBNAILS + this.getThumbnailName()
   }
 
   getThumbnailStaticPath () {
diff --git a/server/models/video/video.ts b/server/models/video/video.ts
index b0d92b674..3b30e9e28 100644
--- a/server/models/video/video.ts
+++ b/server/models/video/video.ts
@@ -51,10 +51,9 @@ import { getServerActor } from '../../helpers/utils'
 import {
   ACTIVITY_PUB,
   API_VERSION,
-  CONFIG,
   CONSTRAINTS_FIELDS,
-  HLS_STREAMING_PLAYLIST_DIRECTORY,
   HLS_REDUNDANCY_DIRECTORY,
+  HLS_STREAMING_PLAYLIST_DIRECTORY,
   PREVIEWS_SIZE,
   REMOTE_SCHEME,
   STATIC_DOWNLOAD_PATHS,
@@ -64,7 +63,8 @@ import {
   VIDEO_LANGUAGES,
   VIDEO_LICENCES,
   VIDEO_PRIVACIES,
-  VIDEO_STATES
+  VIDEO_STATES,
+  WEBSERVER
 } from '../../initializers'
 import { sendDeleteVideo } from '../../lib/activitypub/send'
 import { AccountModel } from '../account/account'
@@ -77,12 +77,13 @@ import {
   buildTrigramSearchIndex,
   buildWhereIdOrUUID,
   createSimilarityAttribute,
-  getVideoSort, isOutdated,
+  getVideoSort,
+  isOutdated,
   throwIfNotValid
 } from '../utils'
 import { TagModel } from './tag'
 import { VideoAbuseModel } from './video-abuse'
-import { VideoChannelModel, ScopeNames as VideoChannelScopeNames } from './video-channel'
+import { ScopeNames as VideoChannelScopeNames, VideoChannelModel } from './video-channel'
 import { VideoCommentModel } from './video-comment'
 import { VideoFileModel } from './video-file'
 import { VideoShareModel } from './video-share'
@@ -105,6 +106,7 @@ import { UserModel } from '../account/user'
 import { VideoImportModel } from './video-import'
 import { VideoStreamingPlaylistModel } from './video-streaming-playlist'
 import { VideoPlaylistElementModel } from './video-playlist-element'
+import { CONFIG } from '../../initializers/config'
 
 // FIXME: Define indexes here because there is an issue with TS and Sequelize.literal when called directly in the annotation
 const indexes: Sequelize.DefineIndexesOptions[] = [
@@ -1664,10 +1666,10 @@ export class VideoModel extends Model<VideoModel> {
       name: `${this.name} ${videoFile.resolution}p${videoFile.extname}`,
       createdBy: 'PeerTube',
       announceList: [
-        [ CONFIG.WEBSERVER.WS + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT + '/tracker/socket' ],
-        [ CONFIG.WEBSERVER.URL + '/tracker/announce' ]
+        [ WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT + '/tracker/socket' ],
+        [ WEBSERVER.URL + '/tracker/announce' ]
       ],
-      urlList: [ CONFIG.WEBSERVER.URL + STATIC_PATHS.WEBSEED + this.getVideoFilename(videoFile) ]
+      urlList: [ WEBSERVER.URL + STATIC_PATHS.WEBSEED + this.getVideoFilename(videoFile) ]
     }
 
     const torrent = await createTorrentPromise(this.getVideoFilePath(videoFile), options)
@@ -1781,8 +1783,8 @@ export class VideoModel extends Model<VideoModel> {
     let baseUrlWs
 
     if (this.isOwned()) {
-      baseUrlHttp = CONFIG.WEBSERVER.URL
-      baseUrlWs = CONFIG.WEBSERVER.WS + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT
+      baseUrlHttp = WEBSERVER.URL
+      baseUrlWs = WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT
     } else {
       baseUrlHttp = REMOTE_SCHEME.HTTP + '://' + this.VideoChannel.Account.Actor.Server.host
       baseUrlWs = REMOTE_SCHEME.WS + '://' + this.VideoChannel.Account.Actor.Server.host