apt-get install libavahi-compat-libdnssd-dev

docker run -d -v <path/to/dir/containing/config>:/config -v /var/run/dbus:/var/run/dbus --net=host --privileged --name airproxy --restart=always microadam/airproxy

{
  "port": 7878,
  "httpPort": 7979,
  "groups": [
    { "name": "Home",
      "zones": [
        "Kitchen",
        "Cinema",
        "Bedroom"
      ]
    }
  ]
}