services:
  db:
    image: postgres:18.4-alpine3.23
    environment:
      POSTGRES_DB: micrach
      POSTGRES_USER: micrach
      POSTGRES_PASSWORD: micrach
    ports:
      - "5432:5432"
    volumes:
      - micrach-postgres:/var/lib/postgresql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U micrach -d micrach"]
      interval: 2s
      timeout: 5s
      retries: 15
      start_period: 5s

volumes:
  micrach-postgres: