version: '3.8'

networks:
  app-network:
    driver: bridge

services:
  # setup MongoDB cluster for production
  mongo-replica-setup:
    container_name: mongo-setup
    image: 'mongo:latest'
    restart: on-failure
    networks:
      - app-network
    volumes:
      - ./.docker/mongodb/scripts/mongosetup.sh:/scripts/mongosetup.sh
    entrypoint: ['bash', '/scripts/mongosetup.sh']
    env_file:
      - .env
    environment:
      MONGO_INITDB_ROOT_USERNAME: ${MONGO_INITDB_ROOT_USERNAME}
      MONGO_INITDB_ROOT_PASSWORD: ${MONGO_INITDB_ROOT_PASSWORD}
    depends_on:
      - mongodb1
      - mongodb2
      - mongodb3

  mongodb1:
    image: mongo:latest
    container_name: mongodb1
    restart: always
    ports:
      - '127.0.0.1:27017:27017'
    networks:
      - app-network
    volumes:
      - mongodb1-data:/data/db
    command: ['--replSet', 'rs0', '--bind_ip_all', '--port', '27017']
    healthcheck:
      test: ['CMD', 'mongo', '--eval', "db.adminCommand('ping')"]
      interval: 5s
      start_period: 10s

  mongodb2:
    image: mongo:latest
    container_name: mongodb2
    restart: always
    ports:
      - '127.0.0.1:27018:27018'
    networks:
      - app-network
    volumes:
      - mongodb2-data:/data/db
    command: ['--replSet', 'rs0', '--bind_ip_all', '--port', '27018']
    healthcheck:
      test: ['CMD', 'mongo', '--eval', "db.adminCommand('ping')"]
      interval: 5s
      start_period: 10s

  mongodb3:
    image: mongo:latest
    container_name: mongodb3
    restart: always
    ports:
      - '127.0.0.1:27019:27019'
    networks:
      - app-network
    volumes:
      - mongodb3-data:/data/db
    command: ['--replSet', 'rs0', '--bind_ip_all', '--port', '27019']
    healthcheck:
      test: ['CMD', 'mongo', '--eval', "db.adminCommand('ping')"]
      interval: 5s
      start_period: 10s

  api:
    build: .
    volumes:
      - .:/app
      - /app/node_modules
    ports:
      - ${APP_PORT}:${APP_PORT}
    command: npm run start:dev
    env_file:
      - .env
    depends_on:
      - mongodb1
      - mongodb2
      - mongodb3
    networks:
      - app-network

volumes:
  mongodb1-data:
  mongodb2-data:
  mongodb3-data: