docker-compose.yml

version: "3"
services:
  service_a:
    build:
      dockerfile: service_a/Dockerfile
      context: .
    volumes:
      - ./service_a:/myapp
    ports:
      - "8080:3000"
    depends_on:
      - service_a_db
      - service_a_redis
      - service_b
      - service_c
  service_a_db:
    image: mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: service_a
      MYSQL_DATABASE: "db"
      MYSQL_USER: "user"
      MYSQL_PASSWORD: "pass"
    volumes:
      - ./service_a/tmp/mysqldb:/var/lib/mysql
    ports:
      - "3306:3306"
  service_a_redis:
    image: redis
    ports:
      - "6379:6379"
    volumes:
      - ./service_a/tmp/redisdb:/data
  service_b:
    build:
      dockerfile: service_b/Dockerfile
      context: .
    volumes:
      - ./service_b:/myapp
    ports:
      - "8081:3000"
    depends_on:
      - service_b_mongodb
  service_b_mongodb:
    image: mongo
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: example
    ports:
      - "27017:27017"
  service_c:
    build:
      dockerfile: service_c/Dockerfile
      context: .
    volumes:
      - ./service_c:/myapp
    ports:
      - "8082:3000"
    depends_on:
      - service_c_db
  service_c_db:
    image: mysql
    environment:
      MYSQL_ROOT_PASSWORD: service_c
    volumes:
      - ./service_c/tmp/mysqldb:/var/lib/mysql
    ports:
      - "3308:3306"