--- version: '3.7' services: submit: build: submit hostname: submit volumes: - "/dev/log:/dev/log" - "/var/lib/docker/bindmounts/test/home:/home" cal01: build: cal hostname: cal01 volumes: - "/dev/log:/dev/log" - "/var/lib/docker/bindmounts/test/home:/home" cal02: build: cal hostname: cal02 volumes: - "/dev/log:/dev/log" - "/var/lib/docker/bindmounts/test/home:/home"