Upgrade framework to laravel 9

app/Http/Controllers/WelcomeController.php

@@ -4,16 +4,7 @@ namespace App\Http\Controllers;
 
 class WelcomeController extends Controller
 {
-	public function __construct()
-	{
-		$this->middleware('demoMode');
-	}
-
 	public function home() {
 		return view('welcome.home');
 	}
-
-	public function under_construction() {
-		abort(499,'Under Construction');
-	}
 }

app/Http/Kernel.php

@@ -58,7 +58,6 @@ class Kernel extends HttpKernel
         'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
         'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,
         'can' => \Illuminate\Auth\Middleware\Authorize::class,
-        'demoMode' => \Spatie\DemoMode\DemoMode::class,
         'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
         'role' => \App\Http\Middleware\Role::class,
         'signed' => \Illuminate\Routing\Middleware\ValidateSignature::class,

app/Http/Middleware/TrustProxies.php

@@ -3,7 +3,7 @@
 namespace App\Http\Middleware;
 
 use Illuminate\Http\Request;
-use Fideloper\Proxy\TrustProxies as Middleware;
+use Illuminate\Http\Middleware\TrustProxies as Middleware;
 
 class TrustProxies extends Middleware
 {
@@ -19,5 +19,10 @@ class TrustProxies extends Middleware
      *
      * @var int
      */
-    protected $headers = Request::HEADER_X_FORWARDED_ALL;
+	protected $headers =
+		Request::HEADER_X_FORWARDED_FOR |
+		Request::HEADER_X_FORWARDED_HOST |
+		Request::HEADER_X_FORWARDED_PORT |
+		Request::HEADER_X_FORWARDED_PROTO |
+		Request::HEADER_X_FORWARDED_AWS_ELB;
 }