CakePHP3 redirect to SSL

AppController.php

namespace App\Controller;
use Cake\Controller\Controller;
use Cake\Event\Event;

class AppController extends Controller
{

    public function initialize()
    {
        parent::initialize();
        $this->loadComponent('Security', ['blackHoleCallback' => 'forceSSL']);
    }

    public function beforeFilter(Event $event)
    {
        $this->Security->requireSecure();
    }

    public function forceSSL()
    {
        return $this->redirect('https://' . env('SERVER_NAME') . $this->request->here());
    }
}