{ ghc, nixpkgs ? (import <nixpkgs> {}) }:

let
  inherit (nixpkgs) haskell pkgs;
in haskell.lib.buildStackProject {
  inherit ghc;
  name = "stackenv";
  buildInputs = (with pkgs;
    [ postgresql zlib openldap cyrus_sasl.dev
    ]) ++ (with haskell.packages."ghc${builtins.replaceStrings ["."] [""] ghc.version}";
    [ yesod-bin
    ]);
}