version: "3"

services:
  postgres_subgraph:
    image: postgres
    container_name: postgres_subgraph
    environment:
      POSTGRES_USER: root
      POSTGRES_PASSWORD: rootroot
      POSTGRES_DB: postgres_db
    ports:
      - "5432:5432"
  mysql_subgraph:
    image: mysql:8.0
    container_name: mysql_subgraph
    environment:
      MYSQL_ROOT_PASSWORD: rootroot
      MYSQL_DATABASE: mysql_db 
      MYSQL_PASSWORD: rootroot
    ports:
      - "3306:3306"
  mongo_subgraph:
    image: mongo
    container_name: mongo_subgraph
    restart: always
    environment:
      - MONGO_INITDB_DATABASE=admin
      - MONGO_INITDB_ROOT_USERNAME=root
      - MONGO_INITDB_ROOT_PASSWORD=rootroot
    ports:
      - "27017-27019:27017-27019"
    command: [--auth]
    volumes:
      - ./mongo/init-mongo.js:/docker-entrypoint-initdb.d/init-mongo.js:ro