{
  inputs.nixpkgs = {
    type = "github";
    owner = "nixos";
    repo = "nixpkgs";
    ref = "master";
  };

  description = "A collections of derivations for coreboot and payloads";
  outputs = { self, nixpkgs }: {
    packages.x86_64-linux = let
      nixpkgsOptions = {
        system = "x86_64-linux";
        overlays = [
          (import ./pkgs/overlay.nix)
        ];
      };
      pkgs = import nixpkgs nixpkgsOptions;
      inherit (pkgs) lib;

      makeDevice = configFile:
        with lib.evalModules {
          modules = [
            ({ ... }: {
              nixpkgs = nixpkgsOptions;
            })
            ("${nixpkgs}/nixos/modules/misc/assertions.nix")
            ("${nixpkgs}/nixos/modules/misc/nixpkgs.nix")
            ./modules
            configFile
          ];
        };
      config.coreboot.rom;
    in {
      inherit (pkgs) coreboot-payload-grub2 coreboot-payload-tianocore coreboot;

      milan-x1c = makeDevice ./configs/milan-x1c.nix;
    };
  };
}