{ lib, pkgs, ... }: {
  nixpkgs.overlays = import ../overlays;

  nix.package = lib.mkDefault pkgs.lix;
  services.openssh.enable = lib.mkForce true;

  networking.firewall.enable = true;
  networking.firewall.logRefusedConnections = false;
  networking.firewall.logReversePathDrops = true;

  services.nginx = {
    recommendedOptimisation = lib.mkDefault true;
    recommendedTlsSettings = lib.mkDefault true;
    recommendedProxySettings = lib.mkDefault true;
    recommendedGzipSettings = lib.mkDefault true;
  };

  nix.gc = {
    automatic = true;
    persistent = true;
    dates = "daily";
    options = "--delete-older-than 30d";
  };
}