def index(conn, _params) do
    file =
      case Application.get_env(:creo, :static_files) do
        nil ->
          Path.join([
            :code.priv_dir(:creo),
            "static",
            "index.html"
          ])

        static_files ->
          Path.join(
            static_files,
            "index.html"
          )
      end

    {:ok, binary} = File.read(file)
    html(conn, binary)
  end

  plug Plug.Static,
    at: "/",
    from: Application.compile_env(:creo, :static_files, :creo),
    gzip: true,
    only: ~w(css fonts images js favicon_16x16.png robots.txt)

config :creo, static_files: "../frontend/dist"