services: 
  db:
    image: postgres:17.1
    container_name: postgres
    restart: always
    ports:
      - ${PORT}:5432
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_USER: ${POSTGRES_USER}
      PGUSER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
      interval: 1s
      timeout: 5s
      retries: 10
    volumes:
      - ./data:/var/lib/postgresql/data 
    networks:
      - nginx

volumes:
  postgres_data:
    driver: local

networks:
  nginx:
    driver: bridge
    external: true