<?php

use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Slim\Views\Twig;

$app->get('/', function (Request $request, Response $response, array $args) {
  $view = Twig::fromRequest($request);
  return $view->render($response, 'index.twig');
});