feat: implement JWT authentication and scope validation middleware (#11)

Reviewed-on: #11
Co-authored-by: Ron Rise <ron@siteworxpro.com>
Co-committed-by: Ron Rise <ron@siteworxpro.com>

src/Controllers/HealthcheckController.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Siteworxpro\App\Controllers;
+
+use Illuminate\Database\PostgresConnection;
+use Nyholm\Psr7\ServerRequest;
+use Psr\Http\Message\ResponseInterface;
+use Siteworxpro\App\Http\JsonResponseFactory;
+use Siteworxpro\App\Models\Model;
+use Siteworxpro\App\Services\Facades\Redis;
+use Siteworxpro\HttpStatus\CodesEnum;
+
+class HealthcheckController extends Controller
+{
+    /**
+     * @throws \JsonException
+     */
+    public function get(ServerRequest $request): ResponseInterface
+    {
+        try {
+            /** @var PostgresConnection $conn */
+            $conn = Model::getConnectionResolver()->connection();
+            $conn->getPdo()->exec('SELECT 1');
+
+            $response = Redis::ping();
+            if ($response->getPayload() !== 'PONG') {
+                throw new \Exception('Redis ping failed');
+            }
+        } catch (\Exception $e) {
+            return JsonResponseFactory::createJsonResponse(
+                [
+                    'status_code' => CodesEnum::SERVICE_UNAVAILABLE->value,
+                    'message' => 'Healthcheck Failed',
+                    'error' => $e->getMessage(),
+                ],
+                CodesEnum::SERVICE_UNAVAILABLE
+            );
+        }
+
+        return JsonResponseFactory::createJsonResponse(
+            ['status_code' => 200, 'message' => 'Healthcheck OK']
+        );
+    }
+}