3 files changed, 23 insertions, 6 deletions

diff --git a/server/initializers/checker.ts b/server/initializers/checker.ts
index b69188f7e..317d59423 100644
--- a/server/initializers/checker.ts
+++ b/server/initializers/checker.ts
@@ -1,8 +1,8 @@
 import * as config from 'config'
-
 import { promisify0 } from '../helpers/core-utils'
-import { OAuthClientModel } from '../models/oauth/oauth-client-interface'
 import { UserModel } from '../models/account/user-interface'
+import { ApplicationModel } from '../models/application/application-interface'
+import { OAuthClientModel } from '../models/oauth/oauth-client-interface'
 
 // Some checks on configuration files
 function checkConfig () {
@@ -70,6 +70,13 @@ async function usersExist (User: UserModel) {
   return totalUsers !== 0
 }
 
+// We get db by param to not import it in this file (import orders)
+async function applicationExist (Application: ApplicationModel) {
+  const totalApplication = await Application.countTotal()
+
+  return totalApplication !== 0
+}
+
 // ---------------------------------------------------------------------------
 
 export {
@@ -77,5 +84,6 @@ export {
   checkFFmpeg,
   checkMissedConfig,
   clientsExist,
-  usersExist
+  usersExist,
+  applicationExist
 }
diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index e27d011fa..4a49c1ab3 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -226,6 +226,9 @@ const FRIEND_SCORE = {
   MAX: 1000
 }
 
+const SERVER_ACCOUNT_NAME = 'peertube'
+const ACTIVITY_PUB_ACCEPT_HEADER = 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
+
 const ACTIVITY_PUB = {
   COLLECTION_ITEMS_PER_PAGE: 10,
   VIDEO_URL_MIME_TYPES: [
@@ -352,8 +355,10 @@ export {
   PODS_SCORE,
   PREVIEWS_SIZE,
   REMOTE_SCHEME,
+  ACTIVITY_PUB_ACCEPT_HEADER,
   FOLLOW_STATES,
   SEARCHABLE_COLUMNS,
+  SERVER_ACCOUNT_NAME,
   PRIVATE_RSA_KEY_SIZE,
   SORTABLE_COLUMNS,
   STATIC_MAX_AGE,
diff --git a/server/initializers/installer.ts b/server/initializers/installer.ts
index 5221b81a5..c3521a9e4 100644
--- a/server/initializers/installer.ts
+++ b/server/initializers/installer.ts
@@ -3,8 +3,8 @@ import { UserRole } from '../../shared'
 import { logger, mkdirpPromise, rimrafPromise } from '../helpers'
 import { createUserAccountAndChannel } from '../lib'
 import { createLocalAccount } from '../lib/user'
-import { clientsExist, usersExist } from './checker'
-import { CACHE, CONFIG, LAST_MIGRATION_VERSION } from './constants'
+import { applicationExist, clientsExist, usersExist } from './checker'
+import { CACHE, CONFIG, LAST_MIGRATION_VERSION, SERVER_ACCOUNT_NAME } from './constants'
 
 import { database as db } from './database'
 
@@ -128,9 +128,13 @@ async function createOAuthAdminIfNotExist () {
 }
 
 async function createApplicationIfNotExist () {
+  const exist = await applicationExist(db.Application)
+  // Nothing to do, application already exist
+  if (exist === true) return undefined
+
   logger.info('Creating Application table.')
   const applicationInstance = await db.Application.create({ migrationVersion: LAST_MIGRATION_VERSION })
 
   logger.info('Creating application account.')
-  return createLocalAccount('peertube', null, applicationInstance.id, undefined)
+  return createLocalAccount(SERVER_ACCOUNT_NAME, null, applicationInstance.id, undefined)
 }