Add a development FrankenPHP server

bin/frankenphp-worker.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink;
+
+use Laminas\Diactoros\ServerRequestFactory;
+use Laminas\HttpHandlerRunner\Emitter\EmitterInterface;
+use Mezzio\Application;
+use Psr\Container\ContainerInterface;
+
+use function frankenphp_handle_request;
+use function gc_collect_cycles;
+
+(static function (): void {
+    /** @var ContainerInterface $container */
+    $container = include __DIR__ . '/../config/container.php';
+    $app = $container->get(Application::class);
+    $responseEmitter = $container->get(EmitterInterface::class);
+    $handler = static function () use ($app, $responseEmitter): void {
+        $response = $app->handle(ServerRequestFactory::fromGlobals());
+        $responseEmitter->emit($response);
+    };
+
+    $maxRequests = (int) ($_SERVER['MAX_REQUESTS'] ?? 0);
+    for ($nbRequests = 0; !$maxRequests || $nbRequests < $maxRequests; ++$nbRequests) {
+        $keepRunning = frankenphp_handle_request($handler);
+
+        // Call the garbage collector to reduce the chances of it being triggered in the middle of a page generation
+        gc_collect_cycles();
+
+        if (! $keepRunning) {
+            break;
+        }
+    }
+})();