rocketchat.yml

version: '3.8'

x-rocketchat-labels: &rocketchat-labels
  labels:
    - traefik.enable=true
    - traefik.docker.network=monitoring
    - traefik.http.routers.rocketchat-http.rule=Host(`rocketchat.${DOMAIN?Variable not set}`)
    - traefik.http.routers.rocketchat-http.entrypoints=http
    #- traefik.http.routers.rocketchat-http.middlewares=admin-auth
    - traefik.http.routers.rocketchat-http.service=rocketchat
    - traefik.http.routers.rocketchat-http.middlewares=https-redirect
    - traefik.http.routers.rocketchat-https.rule=Host(`rocketchat.${DOMAIN?Variable not set}`)
    - traefik.http.routers.rocketchat-https.entrypoints=https
    #- traefik.http.routers.rocketchat-https.middlewares=admin-auth
    - traefik.http.routers.rocketchat-https.tls=true
    - traefik.http.routers.rocketchat-https.service=rocketchat
    - traefik.http.routers.rocketchat-https.tls.certresolver=le
    - traefik.http.services.rocketchat.loadbalancer.server.port=3000

x-service: &service
  logging:
    driver: json-file
    options:
      max-size: "100m"
      max-file: "2"
  restart: always
  networks:
    - rocketchat

services:
  # https://docs.rocket.chat/quick-start/installing-and-updating/rapid-deployment-methods/docker-and-docker-compose
  # https://docs.rocket.chat/quick-start/accessing-your-workspace/creating-the-first-administrator
  rocketchat:
    container_name: rocketchat
    image: registry.rocket.chat/rocketchat/rocket.chat
    deploy:
      mode: replicated
      replicas: 1
      resources:
        reservations:
          cpus: '0.01'
          memory: 656M
      <<: *rocketchat-labels
    <<: *rocketchat-labels
    <<: *service
    environment:
      PORT: 3000
      ROOT_URL: "https://rocketchat.${DOMAIN?Variable not set}"
      MONGO_URL: "mongodb://rocketchat-mongodb:27017/rocketchat"
      MONGO_OPLOG_URL: "mongodb://rocketchat-mongodb:27017/local"
      #REG_TOKEN: ${REG_TOKEN}
      #MAIL_URL: smtp://smtp.email
      #HTTP_PROXY: http://proxy.domain.com
      #HTTPS_PROXY: http://proxy.domain.com
    depends_on:
      - rocketchat-mongodb
    volumes:
      - rocketchat-data:/app/uploads
    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)"
    user: root

  rocketchat-mongodb:
    container_name: rocketchat-mongodb
    image: mongo:4.0
    deploy:
      mode: replicated
      replicas: 1
      resources:
        reservations:
          cpus: '0.01'
          memory: 50M
      placement:
        constraints:
          - node.hostname == ${HOSTNAME?Variable HOSTNAME not set}
    <<: *service
    volumes:
      - rocketchat-mongodb-data:/data/db
    command: mongod --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=mmapv1
    user: root

  rocketchat-mongodb-init:
    container_name: rocketchat-mongodb-init
    image: mongo:4.0
    deploy:
      mode: replicated
      replicas: 1
      resources:
        reservations:
          cpus: '0.01'
          memory: 50M
      placement:
        constraints:
          - node.hostname == ${HOSTNAME?Variable HOSTNAME not set}
    <<: *service
    restart: on-failure
    volumes:
      - rocketchat-mongodb-data:/data/db
    command: >
      bash -c
        "for i in `seq 1 30`; do
          mongo rocketchat-mongodb/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:
      - rocketchat-mongodb
    user: root

x-volume: &volume
  driver: local
x-volume-driver-opts: &volume-driver-opts
  type: none
  o: bind

volumes:
  rocketchat-mongodb-data:
    name: rocketchat-mongodb-data
    <<: *volume
    driver_opts:
      <<: *volume-driver-opts
      device: ${DATAPATH?Variable DATAPATH not set}/rocketchat-mongodb/data
  rocketchat-data:
    name: rocketchat-data
    <<: *volume
    driver_opts:
      <<: *volume-driver-opts
      device: ${DATAPATH?Variable DATAPATH not set}/rocketchat/data

x-network: &network
  external: true

networks:
  rocketchat:
    name: rocketchat
    <<: *network