nixos-conf/hosts/installer.nix

{ nixpkgs-flake, lib, ... }:
{
  imports = [
    "${nixpkgs-flake}/nixos/modules/installer/cd-dvd/installation-cd-graphical-combined.nix"
  ];

  boot.supportedFilesystems.zfs = lib.mkForce true;
  services.qemuGuest.enable = true;
  isoImage.squashfsCompression = "gzip -Xcompression-level 1";
  networking.wireless.enable = false;
}