services:
  postgres:
    image: postgis/postgis:16-3.4
    container_name: postgres_simple
    restart: unless-stopped
    ports:
      - "0.0.0.0:5432:5432"
    environment:
      - POSTGRES_PASSWORD_FILE=/run/secrets/postgres_root_password
    volumes:
      - postgres_simple_data:/var/lib/postgresql/data
      - /etc/localtime:/etc/localtime
      - /var/backups/postgres:/backups
    secrets:
      - postgres_root_password
    networks:
      - default
      - db-migration
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "postgres"]
      interval: 10s
      timeout: 5s
      retries: 5
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

volumes:
  postgres_simple_data:
    name: postgres_simple_data

secrets:
  postgres_root_password:
    file: .secrets/postgres_root_password

networks:
  default:
    name: postgres_simple_default
  db-migration:
    external: true