# https://nixos.wiki/wiki/Creating_a_NixOS_live_CD
# Create with the command below.
# nix build .#nixosConfigurations.iso.config.system.build.isoImage

{
  description = "Custom Minimal NixOS installation media";
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  outputs =
    { self, nixpkgs }:
    {
      nixosConfigurations = {
        iso = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          modules = [
            (
              { pkgs, modulesPath, ... }:
              {
                imports = [ (modulesPath + "/installer/cd-dvd/installation-cd-minimal.nix") ];

                networking.networkmanager.enable = true;

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

                environment.systemPackages = with pkgs; [
                  neovim
                  git
                  nh
                ];

                i18n.defaultLocale = "en_US.UTF-8";
                console.useXkbConfig = true;

                services.xserver.xkb.layout = "us";

                # Comment out this line if you want to use qwerty
                services.xserver.xkb.variant = "colemak";
              }
            )
          ];
        };
      };
    };
}