{
  pkgs,
  lib,
  ...
}: {
  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";

  # Nix
  nix.settings.experimental-features = ["nix-command" "flakes"];

  # Set your time zone.
  time.timeZone = "Europe/Paris";

  services.openssh = {
    enable = true;
    ports = [22];
    settings = {
      PasswordAuthentication = false;
    };
  };
  users.users.root.openssh.authorizedKeys.keys = [
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHQyRXFQ6iA5p0vDuoGSHZfajiVZPAGIyqhTziM7QgBV gaspard@nixos"
  ];

  environment.systemPackages = with pkgs; [
    helix
    git
  ];
}