{
  description = "My NixOS installation media";
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  outputs = { self, nixpkgs }: {
    packages.x86_64-linux.default =
      self.nixosConfigurations.exampleIso.config.system.build.isoImage;
    nixosConfigurations = {
      exampleIso = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          ({ pkgs, modulesPath, ... }: {
            imports = [
              (modulesPath + "/installer/cd-dvd/installation-cd-minimal.nix")
            ];
            systemd.services.sshd.wantedBy =
              pkgs.lib.mkForce [ "multi-user.target" ];
            users.users.root.openssh.authorizedKeys.keys = [
              "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBs3aPxyJpVGytuVSO3va2WybKNFMR241o8DCJQbBEWV"
            ];
          })
        ];
      };
    };
  };
}