version : '3.7' services: app: build: context: ./server args: BUILD_ENV: "${BUILD_ENV:-production}" OVERCOOKED_BRANCH: "${OVERCOOKED_BRANCH:-master}" HARL_BRANCH: "${HARL_BRANCH:-master}" GRAPHICS: "${GRAPHICS:-overcooked_graphics_v2.2.js}" environment: FLASK_ENV: "${BUILD_ENV:-production}" ports: - "80:5000"