docker-compose.yaml

version: '2'
services:
  keycloak:
    image: cloyne/keycloak 
    #build: .
    container_name: keycloak
    networks:
      server3:
        ipv4_address: '172.25.0.2'
    environment:
      - KEYCLOAK_USER=admin
      - KEYCLOAK_PASSWORD=admin
    volumes:
      - /srv/log/keycloak:/var/log/keycloak
    ports:
      - "8080:8080"
      - "443:443"
    links:
        - rocketchat:rocketchat

  rocketchat:
    image: cloyne/rocketchat
    container_name: rocketchat
    networks:
      server3:
        ipv4_address: '172.25.0.3'
    environment:
      MONGO_URL: mongodb://mongo://mongodb
      ROOT_URL: https://localhost:3000 
    volumes:
      - /srv/log/rocketchat:/var/log/rocketchat
    ports:
      - "3000:3000"
    links:
        - mongo:mongo 

  mongo:
    image: cloyne/mongodb:3.6
    container_name: mongo
    networks:
       server3:
         ipv4_address: '172.25.0.4'
    volumes:
     - ./data/runtime/mongo:/data/db
     - ./data/dump:/dump
     - /srv/log/mongod:/var/log/mongod
    command: mongod --smallfiles

networks:
  server3:
    driver: bridge
    ipam:
      config:
        - subnet: '172.25.0.0/24'