add logging

src/Subcriber.php

@@ -0,0 +1,30 @@
+<?php
+declare(strict_types=1);
+
+namespace App;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\ExceptionEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+class Subcriber implements EventSubscriberInterface
+{
+    public function __construct(
+        private LoggerInterface $logger,
+    )
+    {
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return [
+            KernelEvents::EXCEPTION => 'logException'
+        ];
+    }
+
+    public function logException(ExceptionEvent $event): void
+    {
+        $this->logger->warning($event->getThrowable()->getMessage());
+    }
+}