nix/modules/nixos/core/default.nix

{ lib, pkgs, ... }:
{
  imports = [
    ./boot.nix
    ./system.nix
    ./nixld.nix
  ];

  programs = {
    git.enable = true;
    dconf.enable = true;
  };

  # Configure firewall
  networking.firewall = {
    enable = true;
    allowedTCPPorts = [ 22 80 443 ]; # 根据需要调整
    allowedUDPPorts = [ 9 53 ]; # 9: wol, 53: dns
  };

  # Select internationalisation properties.
  i18n = {
    defaultLocale = "en_US.UTF-8";
    extraLocaleSettings = {
      LC_ADDRESS = "zh_CN.UTF-8";
      LC_IDENTIFICATION = "zh_CN.UTF-8";
      LC_MEASUREMENT = "zh_CN.UTF-8";
      LC_MONETARY = "zh_CN.UTF-8";
      LC_NAME = "zh_CN.UTF-8";
      LC_NUMERIC = "zh_CN.UTF-8";
      LC_PAPER = "zh_CN.UTF-8";
      LC_TELEPHONE = "zh_CN.UTF-8";
      LC_TIME = "zh_CN.UTF-8";
    };
  };

  time.timeZone = "Asia/Shanghai";

  systemd.coredump.enable = true;
}