version: '2.1' volumes: cups: services: cups: build: ./cups ports: - "80" privileged: true restart: always network_mode: host volumes: - 'cups:/etc/cups' labels: io.balena.features.kernel-modules: '1' io.balena.features.firmware: '1' io.balena.features.dbus: '1' io.balena.features.supervisor-api: '1' io.balena.features.balena-api: '1'