Redirect homepage and handle invalid name

routes/web.php

@@ -3,20 +3,16 @@
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\Facades\Validator;
+use Illuminate\Validation\ValidationException;
 
-/*
-|--------------------------------------------------------------------------
-| Web Routes
-|--------------------------------------------------------------------------
-|
-| Here is where you can register web routes for your application. These
-| routes are loaded by the RouteServiceProvider within a group which
-| contains the "web" middleware group. Now create something great!
-|
-*/
+Route::redirect('/', 'https://laravel.com/docs', 302);
 
 Route::get('/{name}', function (Request $request, $name) {
-    Validator::validate(['name' => $name], ['name' => 'string|alpha_dash']);
+    try {
+        Validator::validate(['name' => $name], ['name' => 'string|alpha_dash']);
+    } catch (ValidationException $e) {
+        return response('Invalid site name. Please only use alpha-numeric characters, dashes, and underscores.', 400);
+    }
 
     $php = $request->query('php', '81');
 

tests/Feature/SailServerTest.php

@@ -6,6 +6,11 @@
 
 class SailServerTest extends TestCase
 {
+    public function test_the_homepage_redirects_to_the_laravel_docs()
+    {
+        $this->get('/')->assertRedirect('https://laravel.com/docs');
+    }
+
     public function test_it_can_return_the_sail_install_script()
     {
         $response = $this->get('/example-app');
@@ -30,4 +35,12 @@ public function test_it_adds_the_devcontainer_upon_request()
         $response->assertStatus(200);
         $response->assertSee('bash -c "laravel new example-app && cd example-app && php ./artisan sail:install --with=postgres --devcontainer"', false);
     }
+
+    public function test_it_does_not_accepts_domains_with_a_dot()
+    {
+        $response = $this->get('/foo.test');
+
+        $response->assertStatus(400);
+        $response->assertSee('Invalid site name. Please only use alpha-numeric characters, dashes and underscores.');
+    }
 }