fishcakez

 Dispatch = cowboy_router:compile([
                {'_', [
                        {"/", cowboy_static,
                                [{directory, {priv_dir, web, []}},
                                {mimetypes, [{<<".html">>, [<<"text/html">>]}]},
                                {file, <<"index.html">>}]},

                        {"/js/[...]", cowboy_static,
                                [{directory, {priv_dir, web, [<<"js">>]}},
                                {mimetypes, {fun mimetypes:path_to_mimes/2, default}}]},