with import <nixpkgs> {}; {
  env = stdenv.mkDerivation {
    name = "env";
    buildInputs = with pkgs; [
      elmPackages.elm
      cabal-install
      cabal2nix
      nodejs
      sqlite
      tmux
      tmuxinator
      nodePackages.nodemon
      (haskellPackages.ghcWithPackages (p: with p; [
        scotty
        wai
        wai-middleware-static
        http-types
        http-conduit
        time
        text
        blaze-builder
        cookie
        bytestring
        persistent
        persistent-sqlite
        persistent-template
        monad-logger
        resourcet
        transformers
        blaze-html
        clay
        aeson
        clientsession
        uuid
        mime-mail
        mtl
        lens
        parsec
        unordered-containers
        containers
        email-validate
        config-manager
      ]))
    ];
  };
}