services:
  db1:
    image: 'postgres:16.0-alpine'
    container_name: db1
    volumes:
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
    environment:
      - POSTGRES_USER=user1
      - POSTGRES_PASSWORD=passwd1
      - POSTGRES_DB=database1
    ports:
      - "5432"

  db2:
    image: 'postgres:16.0-alpine'
    container_name: db2
    volumes:
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
    environment:
      - POSTGRES_USER=user2
      - POSTGRES_PASSWORD=passwd2
      - POSTGRES_DB=database2
    ports:
      - "5432"