version: '3.7' services: frontend-dev: container_name: hello_world_client build: context: ./frontend dockerfile: Dockerfile tty: true volumes: - "./frontend:/app:z" ports: - 3000:3000 environment: - CHOKIDAR_USEPOLLING=true backend-dev: container_name: backend_bt build: context: ./backend dockerfile: Dockerfile tty: true volumes: - ./backend:/usr/src/app/ ports: - 5000:5000 environment: DEBUG: "yes" PORT: 5000 HOST: "0.0.0.0"