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maintenance mode - checked working on Symfony 7.2
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| # if you want to turn on maintenance-mode, use this | |
| #MAINTENANCE_MODE=true |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Site temporarily under maintenance</title> | |
| </head> | |
| <body> | |
| <h1>Site temporarily under maintenance</h1> | |
| <p>Sorry for the inconvenience, we will get back soon!</p> | |
| </body> | |
| </html> |
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| <?php | |
| declare(strict_types=1); | |
| namespace App\EventListener; | |
| use Symfony\Component\DependencyInjection\Attribute\Autowire; | |
| use Symfony\Component\EventDispatcher\Attribute\AsEventListener; | |
| use Symfony\Component\HttpFoundation\Response; | |
| use Symfony\Component\HttpKernel\Event\RequestEvent; | |
| use Symfony\Component\HttpKernel\KernelEvents; | |
| use Twig\Environment; | |
| final class MaintenanceKernelRequestListener | |
| { | |
| public function __construct( | |
| private Environment $twig, | |
| #[Autowire(env: 'default:app.default_maintenance_mode:bool:MAINTENANCE_MODE')] | |
| private bool $isMaintenance, | |
| ) {} | |
| #[AsEventListener(event: KernelEvents::REQUEST, priority: PHP_INT_MAX - 1000)] | |
| public function onKernelRequest(RequestEvent $event): void | |
| { | |
| if (!$this->isMaintenance) { | |
| return; | |
| } | |
| $event->setResponse(new Response( | |
| $this->twig->render('maintenance.html.twig'), | |
| Response::HTTP_SERVICE_UNAVAILABLE, | |
| )); | |
| $event->stopPropagation(); | |
| } | |
| } |
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| parameters: | |
| app.default_maintenance_mode: false |
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