Give new app instance to database manager

src/Concerns/ProvidesDefaultConfigurationOptions.php

@@ -34,6 +34,7 @@ public static function prepareApplicationForNextOperation(): array
             \Laravel\Octane\Listeners\CreateConfigurationSandbox::class,
             \Laravel\Octane\Listeners\GiveNewApplicationInstanceToAuthorizationGate::class,
             \Laravel\Octane\Listeners\GiveNewApplicationInstanceToBroadcastManager::class,
+            \Laravel\Octane\Listeners\GiveNewApplicationInstanceToDatabaseManager::class,
             \Laravel\Octane\Listeners\GiveNewApplicationInstanceToHttpKernel::class,
             \Laravel\Octane\Listeners\GiveNewApplicationInstanceToMailManager::class,
             \Laravel\Octane\Listeners\GiveNewApplicationInstanceToNotificationChannelManager::class,

src/Listeners/GiveNewApplicationInstanceToDatabaseManager.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Laravel\Octane\Listeners;
+
+class GiveNewApplicationInstanceToDatabaseManager
+{
+    /**
+     * Handle the event.
+     *
+     * @param  mixed  $event
+     * @return void
+     */
+    public function handle($event): void
+    {
+        if (! $event->sandbox->resolved('db') ||
+            ! method_exists($event->sandbox->make('db'), 'setApplication')) {
+            return;
+        }
+
+        with($event->sandbox->make('db'), function ($manager) use ($event) {
+            $manager->setApplication($event->sandbox);
+        });
+    }
+}