{
  description = "A very basic flake";

  inputs = { nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable"; };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };

        version = "0.15.1.2";
        gitit = pkgs.dockerTools.buildImage {
          name = "gitit";
          tag = version;
          fromImage = import ./include.nix;
          config = {
            Cmd = [ "${pkgs.gitit}/bin/gitit" ];
            Env = [ "LANG=C.UTF-8" ];
            WorkDir = "/data";
          };
          copyToRoot = [ pkgs.gnugrep pkgs.git ];
        };
      in rec {
        packages = flake-utils.lib.flattenTree { inherit gitit; };
        defaultPackage = packages.gitit;
      });
}