volumes:
  mmm-db:

services:
  mmm:
    build:
      context: .
  db:
    image: library/postgres:15
    container_name: mmm-postgres
    restart: no
    environment:
      POSTGRES_USER: mmm
      POSTGRES_PASSWORD: mmm
    volumes:
      - mmm-db:/var/lib/postgresql/data
    ports:
      - 5432:5432