Create a Docker image and deploy it

src/Controller/PostController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Controller;
+
+use App\Repository\PostRepository;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class PostController extends AbstractController
+{
+    #[Route('/', name: 'app_posts')]
+    public function index(PostRepository $repository): Response
+    {
+        $posts = $repository->findAll();
+        return $this->render('post/index.html.twig', [
+            'posts' => $posts,
+        ]);
+    }
+}