Added rocketChat

rocketchat/.env

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+# General
+MY_DOMAIN=example.com
+DOCKER_MY_NETWORK=caddy_net
+
+# Rocket Chat Specific
+ROOT_URL=https://subdomain.example.com
+MAIL_URL=smtp.mailgun.org
+ROCKETCHAT_BOT_PASSWORD=samplebotpassword

rocketchat/docker-compose.yml

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+version: '2'
+
+services:
+  rocketchat:
+    image: rocketchat/rocket.chat:latest
+    command: >
+      bash -c
+        "for i in `seq 1 30`; do
+          node main.js &&
+          s=$$? && break || s=$$?;
+          echo \"Tried $$i times. Waiting 5 secs...\";
+          sleep 5;
+        done; (exit $$s)"
+    restart: unless-stopped
+    volumes:
+      - ./uploads:/app/uploads
+    environment:
+      - PORT=3000
+      - ROOT_URL=${ROOT_URL}
+      - MONGO_URL=mongodb://mongo:27017/rocketchat
+      - MONGO_OPLOG_URL=mongodb://mongo:27017/local
+      - MAIL_URL=${SMTP_MAIL_URL}
+#       - HTTP_PROXY=http://proxy.domain.com
+#       - HTTPS_PROXY=http://proxy.domain.com
+    depends_on:
+      - mongo
+    labels:
+      - "traefik.backend=rocketchat"
+      - "traefik.frontend.rule=Host: your.domain.tld"
+
+  mongo:
+    image: mongo:4.0
+    restart: unless-stopped
+    volumes:
+     - ./data/db:/data/db
+     #- ./data/dump:/dump
+    command: mongod --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=mmapv1
+    labels:
+      - "traefik.enable=false"
+
+  # this container's job is just run the command to initialize the replica set.
+  # it will run the command and remove himself (it will not stay running)
+  mongo-init-replica:
+    image: mongo:4.0
+    command: >
+      bash -c
+        "for i in `seq 1 30`; do
+          mongo mongo/rocketchat --eval \"
+            rs.initiate({
+              _id: 'rs0',
+              members: [ { _id: 0, host: 'localhost:27017' } ]})\" &&
+          s=$$? && break || s=$$?;
+          echo \"Tried $$i times. Waiting 5 secs...\";
+          sleep 5;
+        done; (exit $$s)"
+    depends_on:
+      - mongo
+
+  # hubot, the popular chatbot (add the bot user first and change the password before starting this image)
+  hubot:
+    image: rocketchat/hubot-rocketchat:latest
+    restart: unless-stopped
+    environment:
+      - ROCKETCHAT_URL=rocketchat:3000
+      - ROCKETCHAT_ROOM=GENERAL
+      - ROCKETCHAT_USER=bot
+      - ROCKETCHAT_PASSWORD=${ROCKETCHAT_BOT_PASSWORD}
+      - BOT_NAME=bot
+  # you can add more scripts as you'd like here, they need to be installable by npm
+      - EXTERNAL_SCRIPTS=hubot-help,hubot-seen,hubot-links,hubot-diagnostics
+    depends_on:
+      - 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
+
+networks:
+  default:
+    external:
+      name: ${DOCKER_MY_NETWORK}