I use the PHP config. (see below)
Cannot load resource "routing.controllers".
<?php
// config/routes.php
declare(strict_types=1);
use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
return static function (RoutingConfigurator $routingConfigurator): void {
// $routingConfigurator->import([
// 'path' => '../src/Controller/',
// 'namespace' => 'App\Controller',
// ], 'attribute');
$routingConfigurator->import('routing.controllers');
};