services: backend: ports: - "${BACKEND_HOST}:${BACKEND_PORT}:8080" volumes: - ./backend:/opt/app frontend: volumes: - ./frontend:/opt/app mongo: ports: - "${MONGO_HOST}:${MONGO_PORT}:${MONGO_PORT}" redis: ports: - "${REDIS_HOST}:${REDIS_PORT}:6379" volumes: - ${REDIS_DATA_LOCATION}:/data