{ ... }:
{
  # Sonarr (TV automation). UI: http://<host>:8989
  services.sonarr.enable = true;

  # Ensure Sonarr can manage the same libraries as Jellyfin.
  users.groups.sonarr = { };
  users.users.sonarr = {
    isSystemUser = true;
    group = "sonarr";
    extraGroups = [ "media" ];
  };

  networking.firewall.allowedTCPPorts = [ 8989 ];
}