services:
  postgres:
    image: postgres:latest
    container_name: postgres
    environment:
      - POSTGRESUSER=你的用户
      - POSTGRESPASSWORD=用户密码
      - POSTGRESDB=数据库名
    ports:
      - '5432:5432'
    volumes:
      - postgres_data=/var/lib/postgresql/data
volumes:
  postgres_data: null
networks: {}