Add replica set and automatic SSL to docker-compose

docker-compose.yml

-mongo:
-  image: mongo
-# volumes:
-#    - ./data/runtime/db:/data/db
-#    - ./data/dump:/dump
-  command: mongod --smallfiles --oplogSize 128
-
 rocketchat:
   image: rocketchat/rocket.chat:latest
 # volumes:
 #    - ./uploads:/app/uploads
   environment:
     - PORT=3000
-    - ROOT_URL=http://yourhost:3000
+    - ROOT_URL=http://localhost:3000
     - MONGO_URL=mongodb://mongo:27017/rocketchat
+    - MONGO_OPLOG_URL=mongodb://mongo:27017/local
     - MAIL_URL=smtp://smtp.email
     - HTTP_PROXY=http://proxy.domain.com
     - HTTPS_PROXY=http://proxy.domain.com
@@ -20,10 +14,28 @@ rocketchat:
     - mongo:mongo
   ports:
     - 3000:3000
+#  labels:
+#    - "traefik.backend=rocketchat"
+#    - "traefik.frontend.rule=Host: your.domain.tld"
+
+mongo:
+  image: mongo:3.0
+  volumes:
+   - ./data/db:/data/db
+#    - ./data/dump:/dump
+  command: mongod --smallfiles --oplogSize 128 --replSet rs0
+#  labels:
+#    - "traefik.enable=false"
+
+mongo-init-replica:
+  image: mongo:3.0
+  command: 'mongo mongo/rocketchat --eval "rs.initiate({ _id: ''rs0'', members: [ { _id: 0, host: ''localhost:27017'' } ]})"'
+  links:
+    - mongo:mongo
 
 # hubot, the popular chatbot (add the bot user first and change the password before starting this image)
 hubot:
-  image: rocketchat/hubot-rocketchat:v0.1.4
+  image: rocketchat/hubot-rocketchat:latest
   environment:
     - ROCKETCHAT_URL=rocketchat:3000
     - ROCKETCHAT_ROOM=GENERAL
@@ -34,6 +46,19 @@ hubot:
     - EXTERNAL_SCRIPTS=hubot-help,hubot-seen,hubot-links,hubot-diagnostics
   links:
     - rocketchat:rocketchat
+#  labels:
+#    - "traefik.enable=false"
+#  volumes:
+#    - ./scripts:/home/hubot/scripts
 # this is used to expose the hubot port for notifications on the host on port 3001, e.g. for hubot-jenkins-notifier
   ports:
     - 3001:8080
+
+#traefik:
+#  image: traefik:latest
+#  command: traefik --docker --acme=true --acme.domains='your.domain.tld' --acme.email='your@email.tld' --acme.entrypoint=https --acme.storagefile=acme.json --defaultentrypoints=http --defaultentrypoints=https --entryPoints='Name:http Address::80 Redirect.EntryPoint:https' --entryPoints='Name:https Address::443 TLS.Certificates:'
+#  ports:
+#    - 80:80
+#    - 443:443
+#  volumes:
+#    - /var/run/docker.sock:/var/run/docker.sock