services: web: build: context: . dockerfile: Dockerfile args: FLASK_HOST: ${FLASK_HOST} FLASK_PORT: ${FLASK_PORT} MY_API_DOMAIN_URL: ${MY_API_DOMAIN_URL} ports: - "${FLASK_PORT}:${FLASK_PORT}" env_file: - .env # Load environment variables from .env file environment: FLASK_HOST: ${FLASK_HOST} FLASK_PORT: ${FLASK_PORT}