{
  config,
  pkgs,
  lib,
  ...
}:

{
  imports = [
    ./hardware-configuration.nix
    ./network-configuration.nix
    /var/src/modules/nixin-base.nix
    /var/src/modules/users.nix
    /var/src/modules/wireguard-client.nix
  ];

  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Enable ip forwarding to route packets
  boot.kernel.sysctl = {
    "net.ipv4.ip_forward" = 1;
    "net.ipv6.conf.all.forwarding" = 1;
  };

  nixin.wg.client = {
    ipv4 = "192.168.12.11";
    ipv6 = "2a01:4f9:1a:9a05::11";
    allowedIPs = [
      "192.168.12.0/24"
      "2a01:4f9:1a:9a05::/64"
    ];
    endpoint = "vpn.lab12.fr:51812";
    endpointKey = "cUmp55I20JEhxr+RMmOsX+6U9kcDiAq3grnvzjQ642w=";
  };

  # Open ports in the firewall.
  networking.firewall.allowedTCPPorts = [
    80
    144
    443
  ];
  #networking.firewall.allowedUDPPorts = [ 53 ];
  # allow UDP port range for mosh
  networking.firewall.allowedUDPPortRanges = [
    {
      from = 60000;
      to = 61000;
    }
  ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Configure console keymap
  # console.keyMap = "fr";

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  environment.systemPackages = with pkgs; [
    mtr
    memtester
  ];

  hardware.cpu.intel.updateMicrocode = true;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It's perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "24.05"; # Did you read the comment?
}