{ ... }: {
  imports = [ 
    ../../common/services/tailscale-autoconnect.nix
    ../../common/modules/raspberry-pi-4.nix
    ./backup-script.nix
    ./cron.nix
    ./wireguard.nix
  ];
  
  time.timeZone = "Europe/Warsaw";
  networking.hostName = "backups-rpi4";
  services.tailscale.extraUpFlags = [ "--advertise-exit-node" ];
  boot.kernel.sysctl = { "net.ipv4.ip_forward" = true; };
}