Follow laravel upgrade guide

app/Http/Middleware/PreventRequestsDuringMaintenance.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance as Middleware;
+
+class PreventRequestsDuringMaintenance extends Middleware
+{
+    /**
+     * The URIs that should be reachable while maintenance mode is enabled.
+     *
+     * @var array
+     */
+    protected $except = [
+        //
+    ];
+}

app/Http/Middleware/RedirectIfAuthenticated.php

@@ -2,12 +2,11 @@
 
 namespace App\Http\Middleware;
 
+use App\Providers\RouteServiceProvider;
 use Closure;
+use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
 
-/**
- * @codeCoverageIgnore
- */
 class RedirectIfAuthenticated
 {
     /**
@@ -15,13 +14,17 @@ class RedirectIfAuthenticated
      *
      * @param  \Illuminate\Http\Request  $request
      * @param  \Closure  $next
-     * @param  string|null  $guard
+     * @param  string|null  ...$guards
      * @return mixed
      */
-    public function handle($request, Closure $next, $guard = null)
+    public function handle(Request $request, Closure $next, ...$guards)
     {
-        if (Auth::guard($guard)->check()) {
-            return redirect('/home');
+        $guards = empty($guards) ? [null] : $guards;
+
+        foreach ($guards as $guard) {
+            if (Auth::guard($guard)->check()) {
+                return redirect(RouteServiceProvider::HOME);
+            }
         }
 
         return $next($request);

app/Http/Middleware/TrustHosts.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Illuminate\Http\Middleware\TrustHosts as Middleware;
+
+class TrustHosts extends Middleware
+{
+    /**
+     * Get the host patterns that should be trusted.
+     *
+     * @return array
+     */
+    public function hosts()
+    {
+        return [
+            $this->allSubdomainsOfApplicationUrl(),
+        ];
+    }
+}