docker/swarm/master.yml

classes:
  - system.docker.swarm.network.gwbridge
parameters:
  _param:
    docker_gwbridge_subnet: 10.20.0.0/16
  docker:
    swarm:
      role: master
      advertise_addr: ${_param:single_address}
    host:
      options:
        log-opts:
          labels: "com.docker.stack.namespace,com.docker.swarm.service.name,com.docker.swarm.task.name"