{
  description = "Kiosk NixOS ISO with Firefox in kiosk mode";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system: {
      # Build a bootable ISO image using the built-in NixOS iso module
      packages.iso = (
        (nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          modules = [
            ./nixos/kiosk.nix
            (import "${nixpkgs}/nixos/modules/installer/cd-dvd/iso-image.nix")
          ];
        }).config.system.build.isoImage
      );

      # Expose the NixOS configuration for direct use if desired
      nixosConfigurations.kiosk = (nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [ ./nixos/kiosk.nix ];
      });
    });
}