docker-compose.prod.yml

# modify from
# mongo-cluster: https://github.com/yeasy/docker-compose-files/blob/master/mongo_cluster/docker-compose.yml
# ngix : https://github.com/socketio/socket.io/blob/master/examples/cluster-nginx/docker-compose.yml

version: '3'

services:
  nginx:
    build: ./nginx
    links:
      - api-primary
      - api-secondary
    ports:
    - '3000:80'
  api-primary:
    build: ./api
    command: npm run dev
    container_name: api_primary
    environment:
      NODE_ENV: development 
      MONGODB_HOST: mongodb://mongo1
      EXPRESS_IP: '0.0.0.0'
    links:
      - 'redis'
      - 'mongo1'
    expose:
      - '3000' 
    volumes:
      - ./api:/home/app/wongwan/api
      - /home/app/wongwan/api/node_modules
    depends_on:
      - mongosetup
      - mongo1
      - redis
  api-secondary:
    build: ./api
    command: npm run dev
    container_name: api_secondary
    environment:
      NODE_ENV: development 
      MONGODB_HOST: mongodb://mongo1
      EXPRESS_IP: '0.0.0.0'
    links:
      - 'redis'
      - 'mongo1'
    expose:
      - '3000' 
    volumes:
      - ./api:/home/app/wongwan/api
      - /home/app/wongwan/api/node_modules
    depends_on:
      - mongosetup
      - mongo1
      - redis
      
  redis:
    image: redis:3.0.7
    container_name: redis-ww
    expose:
      - '6379' # Redis default port
    volumes:
      - ./redisdata:/data

  mongo3:
    image: mongo:3.4.3
    hostname: mongo3
    expose:
      - "27017"
      - "28017"
    restart: always
    entrypoint: [ "/usr/bin/mongod", "--replSet", "rs", "--rest", "--httpinterface" ]

  mongo2:
    image: mongo:3.4.3
    hostname: mongo2
    expose:
      - "27017"
      - "28017"
    restart: always
    entrypoint: [ "/usr/bin/mongod", "--replSet", "rs", "--rest", "--httpinterface" ]

  mongo1:
    image: mongo:3.4.3
    hostname: mongo1
    expose:
      - "27017"
      - "28017"
    links:
      - mongo2:mongo2
      - mongo3:mongo3
    restart: always
    entrypoint: [ "/usr/bin/mongod", "--replSet", "rs", "--rest", "--httpinterface" ]

  mongosetup:
    image: mongo:3.4.3
    container_name: db_ww_prod
    links:
      - mongo1:mongo1
      - mongo2:mongo2
      - mongo3:mongo3
    volumes:
      - ./scripts:/scripts
    ports:
      - '27017:27017'
    restart: always
    entrypoint: [ "bash", "/scripts/mongosetup.sh" ]
# volumes:
# db-data: