{ pkgs, ... }:
{
  nix.settings.experimental-features = "nix-command flakes";

  system.autoUpgrade.enable = true;
  system.autoUpgrade.dates = "weekly";

  nix.gc.automatic = true;
  nix.gc.dates = "daily";
  nix.gc.options = "--delete-older-than 10d";
  nix.settings.auto-optimise-store = true;

  time.timeZone = "Europe/Paris";
  i18n.defaultLocale = "en_GB.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "fr_FR.UTF-8";
    LC_IDENTIFICATION = "fr_FR.UTF-8";
    LC_MEASUREMENT = "fr_FR.UTF-8";
    LC_MONETARY = "fr_FR.UTF-8";
    LC_NAME = "fr_FR.UTF-8";
    LC_NUMERIC = "fr_FR.UTF-8";
    LC_PAPER = "fr_FR.UTF-8";
    LC_TELEPHONE = "fr_FR.UTF-8";
    LC_TIME = "fr_FR.UTF-8";
  };

  users.users.hms = {
    isNormalUser = true;
    description = "hms";
    extraGroups = [ "wheel" ];
    packages = [ ];
  };

  nixpkgs.config.allowUnfree = true;

  environment.systemPackages = with pkgs; [
    helix
    wget
  ];

  services.openssh.enable = true;

  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };
}