{ lib, nix2container, pkgs, ... }:

lib.extend (
	final: prev: {
		img = {
			baseImage = final.img.mkImage {
				name = "base";
				layers = [
					(final.img.baseLayer pkgs)
				];
			};

			baseLayer = pkgs: with pkgs; {
				deps = [
					bashInteractive
					coreutils
					dockerTools.binSh
					dockerTools.caCertificates
					dockerTools.usrBinEnv
					findutils
					gnugrep
					gnused
				];
			};

			foldLayers = let
				merge = parents: current: let
					layer = nix2container.buildlayer( current // {
						layers = parents;
					});
				in
					parents ++ [ layer ];
			in
				layers: final.foldl merge [] layers;

			mkImage = {
				name,
				layers ? [],
			}: nix2container.buildImage {
				inherit name;
				layers = final.img.foldLayers layers;
			};
		};
	}
)