Created new page do display single ship and linked this from homepage with names routes.

src/Controller/StarshipController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Controller;
+
+use App\Repository\StarshipRepository;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class StarshipController extends AbstractController
+{
+    #[Route('/starships/{id<\d+>}', name: 'app_starship_show')]
+    public function show(int $id, StarshipRepository $repository): Response
+    {
+        $ship = $repository->findOne($id);
+        if (null === $ship) {
+            throw $this->createNotFoundException('Starship not found');
+        }
+
+        return $this->render('starship/show.html.twig', [
+            'ship' => $ship,
+        ]);
+    }
+}

templates/main/homepage.html.twig

@@ -2,4 +2,8 @@
 
 {% block body %}
     {{ variable }}
+
+    <a href="{{  path('app_starship_show', {'id' : 1}) }}">Ship 01</a>
+    <a href="{{  path('app_starship_show', {'id' : 2}) }}">Ship 02</a>
+    <a href="{{  path('app_starship_show', {'id' : 3}) }}">Ship 03 (not found)</a>
 {% endblock %}

templates/starship/show.html.twig

@@ -0,0 +1,20 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}{{ ship.name }}{% endblock %}
+
+{% block body %}
+    <h1>{{ ship.name }}</h1>
+
+    <table>
+        <tbody>
+            <tr>
+                <th>Class</th>
+                <td>{{ ship.class }}</td>
+            </tr>
+            <tr>
+                <th>Captain</th>
+                <td>{{ ship.captain }}</td>
+            </tr>
+        </tbody>
+    </table>
+{% endblock %}