Symfony controller to add kirby to a symfony project

KirbyController.php

<?php

namespace App\Controller;

use Kirby\Cms\App as Kirby;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;

class KirbyController extends AbstractController
{
    public function index(): Response
    {
        $base    = $this->getParameter('kernel.project_dir');
        $webroot = $base . '/public';
        $site    = $base . '/site';
        $storage = $base . '/var/storage';

        include $base . '/vendor/autoload.php';

        $roots = [
            'roots' => [
                'index'       => $webroot,
                'base'        => $base,
                'content'     => $base . '/content',
                'site'        => $site,
                'blueprints'  => $site . '/blueprints',
                'config'      => $site . '/config',
                'controllers' => $site . '/controllers',
                'plugins'     => $site . '/plugins',
                'snippets'    => $site . '/snippets',
                'templates'   => $site . '/templates',
                'storage'     => $storage,
                'accounts'    => $storage . '/accounts',
                'cache'       => $storage . '/cache',
                'sessions'    => $storage . '/sessions',
            ],
        ];

        // trick the panel into working
        $_SERVER['SERVER_SOFTWARE'] = 'nginx';
        $kirby = new Kirby($roots);
        $response = new Response($kirby->render());
        return $response;
    }
}

routes.yaml

# in config/
#index:
#    path: /
#    controller: App\Controller\DefaultController::index

kirby_pages:
  path: /{match}
  defaults: { _controller: App\Controller\KirbyController::index }
  requirements:
    match: .*