{...}: {
  services.sunshine = {
    enable = true;
    openFirewall = true;
    capSysAdmin = true;
    applications = {
      apps = [
        {
          name = "Steam Big Picture";
          icon = "steam";
          cmd = "steam steam://open/gamepadui";
          exclude-global-prep-cmd = "false";
          auto-detach = "true";
        }
      ];
    };
  };
}