{ lib, pkgs, ... }:
let
  go-avahi-cname = lib.getExe pkgs.unstable.go-avahi-cname;
in
{
  services.avahi = {
    nssmdns4 = true;
    enable = true;
    ipv4 = true;
    ipv6 = true;
    publish = {
      enable = true;
      addresses = true;
      workstation = true;
      userServices = true;
    };
  };

  systemd.services.avahi-cname = {
    description = "Avahi CNAME Publisher";
    wantedBy = [ "multi-user.target" ];
    after = [
      "network.target"
      "avahi-daemon.service"
    ];
    requires = [ "avahi-daemon.service" ];

    serviceConfig = {
      Type = "simple";
      User = "root";
      ExecStart = "${go-avahi-cname} subdomain";
      Restart = "always";
      RestartSec = "10";
    };
  };
}