version: "2" services: flask: build: context: . dockerfile: Dockerfile # command: sh -c "gunicorn -w 4 flaskr:app -b 0.0.0.0:5000 --access-logfile '-' --error-logfile '-'" # command: sh -c "ls" ports: - "8200:5000" volumes: - .:/app env_file: .env environment: - POSTGRES_URL extra_hosts: - "host.docker.internal:host-gateway"