{
  pkgs,
  userName,
  ...
}:
{
  nixpkgs.config.allowUnfree = true;

  nix = {
    settings = {
      auto-optimise-store = true;
      experimental-features = [
        "nix-command"
        "flakes"
      ];
      trusted-users = [
        "root"
        "@wheel"
      ];
    };

    gc = {
      automatic = true;
      dates = "weekly";
      options = "--delete-older-than 14d";
    };
  };

  boot.loader.systemd-boot.enable = false;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.grub = {
    enable = true;
    configurationLimit = 10;
    device = "nodev";
    efiSupport = true;
    enableCryptodisk = true;
    useOSProber = true;
    zfsSupport = true;
  };

  i18n = rec {
    defaultLocale = "en_US.UTF-8";
    extraLocales = [ "sv_SE.UTF-8/UTF-8" ];

    extraLocaleSettings = {
      LC_ADDRESS = defaultLocale;
      LC_CTYPE = defaultLocale;
      LC_COLLATE = defaultLocale;
      LC_IDENTIFICATION = defaultLocale;
      LC_MEASUREMENT = defaultLocale;
      LC_MESSAGES = defaultLocale;
      LC_MONETARY = defaultLocale;
      LC_NAME = defaultLocale;
      LC_NUMERIC = defaultLocale;
      LC_PAPER = defaultLocale;
      LC_TELEPHONE = defaultLocale;
      LC_TIME = defaultLocale;
    };
  };

  services.xserver.xkb.layout = "se";
  time.timeZone = "Europe/Stockholm";

  console = {
    font = "Lat2-Terminus16";
    keyMap = "sv-latin1";
  };

  networking.useNetworkd = true;
  systemd.network.enable = true;
  systemd.network.wait-online.enable = false;
  services.resolved.enable = true;
  services.openssh.enable = true;

  systemd.network.networks."10-wired" = {
    matchConfig.Name = [
      "en*"
      "eth*"
    ];
    networkConfig = {
      DHCP = "yes";
      IPv6AcceptRA = true;
    };
    dhcpV4Config.RouteMetric = 100;
    dhcpV6Config.RouteMetric = 100;
  };

  programs.zsh.enable = true;
  programs.htop.enable = true;
  programs.tmux.enable = true;
  programs.git.enable = true;
  programs.lazygit.enable = true;
  programs.bat.enable = true;
  programs.nix-ld.enable = true;

  users.defaultUserShell = pkgs.zsh;

  environment.sessionVariables = {
    EDITOR = "nvim";
    NIXOS_OZONE_WL = "1";
  };

  environment.systemPackages = with pkgs; [
    cowsay
    fortune
    lolcat
    bat
    fastfetch
    curl
    eza
    fzf
    git
    git-lfs
    ripgrep
    neovim
    odt2txt
    openssl
    stow
    tpm2-tools
    unzip
    wget
    killall

    nil

    gcc
    clang
    gnumake
    cmake
    ninja
    pkg-config
    binutils
    gdb
    nodejs
    rustup
  ];

  security.sudo.wheelNeedsPassword = true;

  users.users.${userName}.openssh.authorizedKeys.keys = [ ];
}