get '/timer' => sub {
    my $c = shift;
    # $c->render_later; not needed
    my $delay = Mojo::IOLoop->delay(sub {
        $c->app->log->info('Delay finished!');
        $c->render(text => 'timer!');
    });

    $delay->begin->();
    for my $i (0 .. 5) {
	app->log->info("outside timer " . $i);
        Mojo::IOLoop->timer(0 => sub {
            app->log->info('in timer ' . $i);
        });
    }
    Mojo::IOLoop->start unless Mojo::IOLoop->is_running;
};