{ pkgs, modulesPath, lib, ... }: 
{
  imports =
    [ (modulesPath + "/profiles/qemu-guest.nix")
  ];

  #modules.hetzner.wan = {
    #enable = true;
    #macAddress = "96:00:02:1f:45:20"; # changeme
    #ipAddresses = [
      #"91.107.221.11/32"
      #"2a01:4f8:c17:c51f::1/64"
    #];
  #};
  #networking.useDHCP = lib.mkDefault true;
  networking = {
    nameservers = [ "9.9.9.9" "149.112.112.112" ];
    hostName = "katzen-cafe";
    networkmanager.enable = true;
    firewall.allowedTCPPorts = [ 22 80 443 ];

    interfaces."enp1s0" = {
      ipv6.addresses = [{
        address = "2a01:4f8:c17:c51f::";
        prefixLength = 64;
      }];
      ipv4.addresses = [{
        address = "91.107.221.11";
        prefixLength = 32;
      }];
    };
    defaultGateway6 = {
      address = "fe80::1";
      interface = "enp1s0";
    };
    defaultGateway = {
      address = "172.31.1.1";
      interface = "enp1s0";
    };
  };

  boot = {
    kernelPackages = pkgs.linuxPackages_latest;
    kernelParams = [ "console=tty" ];
    loader = {
      systemd-boot.enable = true;
      efi.canTouchEfiVariables = true;
    };
    initrd = {
      availableKernelModules = [ "xhci_pci" "virtio_pci" "usbhid" "sr_mod" ];
      kernelModules = [ "virtio_gpu" ];
    };
  };

  #networking.interfaces.enp1s0.ipv6.addresses = [ { address = "2a01:4f8:c17:c51f::1/64"; prefixLength = 64; } ];
  #networking.defaultGateway6 = { address = "fe80::1"; interface = "enp1s0"; };

  #users.users.april = {
    #isNormalUser = true;
    #packages = with pkgs; [ git ];
    #createHome = true;
    #extraGroups = [ "docker" ];
    #openssh.authorizedKeys.keys = [
      #"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMxsX+lEWkHZt9NOvn9yYFP0Z++186LY4b97C4mwj/f2 waterdev@galaxycrow.de"
    #];
  #};

  services.openssh = {
    enable = true;
    permitRootLogin = "prohibit-password";
  };

  environment.systemPackages = with pkgs; [
    vim wget neofetch btop
  ];

  fileSystems."/" = { 
    device = "/dev/sda1";
    fsType = "ext4";
  };

  fileSystems."/boot" = { 
    device = "/dev/sda3";
    fsType = "vfat";
  };

  swapDevices = [ { 
    device = "/dev/sda2"; 
  } ];
}