diff --git a/README.md b/README.md
index bb40073..15b04c9 100644
--- a/README.md
+++ b/README.md
@@ -23,11 +23,17 @@ Then open http://localhost:3234.
 
 ## Production
 
+Install dependencies:
+  * NodeJS (v12)
+  * Elastic Search
+
 In the root of the cloned repo:
 
 ```terminal
 $ git submodule update --init --recursive
 $ yarn install --pure-lockfile
 $ npm run build
+$ cp config/default.yaml config/production.yaml
+$ vim config/production.yaml
 $ node dist/server.js
 ```
diff --git a/config/default.yaml b/config/default.yaml
index af09c55..cbccd88 100644
--- a/config/default.yaml
+++ b/config/default.yaml
@@ -18,4 +18,10 @@ log:
   level: 'debug' # debug/info/warning/error
 
 instances-index:
-  url: 'https://instances.joinpeertube.org'
+  # Contains PeerTube instance hosts the indexer will index
+  # Must answer the following format: https://framagit.org/framasoft/peertube/instances-peertube#peertube-auto-follow-global-search
+  url: 'https://instances.joinpeertube.org/api/v1/instances/hosts'
+
+whitelist:
+  enabled: false
+  hosts: null
diff --git a/config/test.yaml b/config/test.yaml
index 18e0211..1cd6a94 100644
--- a/config/test.yaml
+++ b/config/test.yaml
@@ -2,3 +2,14 @@ elastic_search:
   indexes:
     videos: 'peertube-index-videos-test1'
     channels: 'peertube-index-channels-test1'
+
+whitelist:
+  enabled: true
+  hosts:
+    - 'peertube.cpy.re'
+    - 'peertube2.cpy.re'
+    - 'peertube3.cpy.re'
+    - 'framatube.org'
+    - 'aperi.tube'
+    - 'peertube.datagueule.tv'
+    - 'thinkerview.video'
diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index 6ad4ef5..df6411b 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -20,6 +20,10 @@ const CONFIG = {
   },
   INSTANCES_INDEX: {
     URL: config.get<string>('instances-index.url')
+  },
+  WHITELIST: {
+    ENABLED: config.get<boolean>('whitelist.enabled'),
+    HOSTS: config.get<string[]>('whitelist.hosts')
   }
 }
 
diff --git a/server/lib/elastic-search-instances.ts b/server/lib/elastic-search-instances.ts
index 55169a5..fd5421f 100644
--- a/server/lib/elastic-search-instances.ts
+++ b/server/lib/elastic-search-instances.ts
@@ -21,17 +21,13 @@ async function listIndexInstances () {
 }
 
 async function buildInstanceHosts () {
-  const whitelist = [
-    'peertube.cpy.re',
-    'peertube2.cpy.re',
-    'peertube3.cpy.re',
-    'framatube.org',
-    'aperi.tube',
-    'peertube.datagueule.tv',
-    'thinkerview.video'
-  ]
+  let indexHosts = await listIndexInstancesHost()
 
-  const indexHosts = (await listIndexInstancesHost()).filter(h => whitelist.includes(h))
+  if (CONFIG.WHITELIST.ENABLED) {
+    const whitelistHosts = Array.isArray(CONFIG.WHITELIST.HOSTS) ? CONFIG.WHITELIST.HOSTS : []
+
+    indexHosts = indexHosts.filter(h => whitelistHosts.includes(h))
+  }
 
   const dbHosts = await listIndexInstances()
   const removedHosts = getRemovedHosts(dbHosts, indexHosts)
diff --git a/server/lib/instances-index.ts b/server/lib/instances-index.ts
index 0a2abf5..de2f48f 100644
--- a/server/lib/instances-index.ts
+++ b/server/lib/instances-index.ts
@@ -2,9 +2,12 @@ import { CONFIG } from '../initializers/constants'
 import { doRequest } from '../helpers/requests'
 
 async function listIndexInstancesHost (): Promise<string[]> {
-  const uri = CONFIG.INSTANCES_INDEX.URL + '/api/v1/instances/hosts'
+  const uri = CONFIG.INSTANCES_INDEX.URL
 
-  const qs = { count: 5000 }
+  const qs = {
+    healthy: true,
+    count: 5000
+  }
 
   const { body } = await doRequest<any>({ uri, qs, json: true })