fix: image digests

README.md

@@ -1,9 +1,24 @@
 # chat
 
 ## secrets
+
 * chat-admin-name
 * chat-admin-password
 * git-domain
 * local-docker-registry
 * registry-password
 
+## initialise mongo
+
+https://docs.rocket.chat/installation/manual-installation/mongo-replicas
+
+```shell
+docker exec -it [mongo container id] mongo
+rs.initiate()
+```
+
+## scale chat
+
+```shell
+docker service scale chat_chat=1
+```

docker-compose.yml

@@ -7,7 +7,7 @@ services:
       replicas: 0 # will scale after mongo initated
       restart_policy:
         condition: any
-    image: rocketchat/rocket.chat:3.5.4
+    image: rocketchat/rocket.chat:3.5.4@sha256:f5978d325f9b63abe42adebecb9a3b891fa5ffaf9840ea252c134ed9ac6c09b8
     networks:
       - appnet
       - externalnet
@@ -28,7 +28,7 @@ services:
       replicas: 1
       restart_policy:
         condition: any
-    image: mongo:4.4
+    image: mongo:4.4.0@sha256:ebd31eaac273a9544a33387aa859b0a8676565340a40fc824fa7bda686f462f1
     networks:
       - appnet
     environment:
@@ -44,7 +44,6 @@ volumes:
 networks:
   appnet:
     driver: overlay
-    #external: true
   externalnet:
     driver: overlay
     external: true