{ frontendSource, ... }: final: prev: {
  uniworx-frontend = prev.stdenv.mkDerivation {
    name = "uniworx-frontend";
    srcs = [frontendSource prev.uniworx-well-known];
    sourceRoot = "source";

    phases = ["unpackPhase" "buildPhase" "installPhase"];

    postUnpack = ''
      cp -pr --reflink=auto uniworx-well-known/. $sourceRoot
    '';

    buildPhase = ''
      ln -s ${prev.uniworx-node-dependencies}/lib/node_modules ./node_modules
      export PATH="${prev.uniworx-node-dependencies}/bin:$PATH"
      webpack --progress
    '';

    installPhase = ''
      mkdir -p $out $out/config
      cp -r --reflink=auto well-known static $out
      cp -r --reflink=auto config/webpack.yml $out/config
    '';
  };
}