Phase 1: API + Frontend Skelett

www/api.fahrschuldesk.de/public/index.php

@@ -1,2 +1,75 @@
 <?php
-echo 'api.fahrschuldesk.de - ' . date('Y-m-d H:i:s');
+/**
+ * fahrschuldesk API - Entry Point
+ */
+
+declare(strict_types=1);
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use App\Support\Database;
+use App\Support\Response;
+use Firebase\JWT\JWT;
+use Firebase\JWT\Key;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Slim\Factory\AppFactory;
+use Slim\Routing\RouteCollectorProxy;
+
+// Load config
+$config = require __DIR__ . '/../config/app.php';
+
+// Set timezone
+date_default_timezone_set($config['app']['timezone']);
+
+// Create app
+$app = AppFactory::create();
+
+// Get container
+$container = $app->getContainer();
+
+// Database connection for SSH tunnel
+$dsn = sprintf(
+    'pgsql:host=%s;port=%d;dbname=%s',
+    $config['db']['host'],
+    $config['db']['port'],
+    $config['db']['database']
+);
+
+try {
+    $pdo = new PDO($dsn, $config['db']['username'], $config['db']['password'], [
+        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+        PDO::ATTR_EMULATE_PREPARES => false,
+    ]);
+    Database::setConnection($pdo);
+} catch (PDOException $e) {
+    die('Database connection failed: ' . $e->getMessage());
+}
+
+// CORS Middleware
+$app->add(function (ServerRequestInterface $request, RequestHandlerInterface $handler) use ($config) {
+    $origin = $request->getHeaderLine('Origin');
+    $allowed = $config['cors']['allowed_origins'];
+    
+    if (in_array('*', $allowed) || in_array($origin, $allowed)) {
+        return $handler->handle($request)
+            ->withHeader('Access-Control-Allow-Origin', $origin ?: '*')
+            ->withHeader('Access-Control-Allow-Methods', implode(', ', $config['cors']['allowed_methods']))
+            ->withHeader('Access-Control-Allow-Headers', implode(', ', $config['cors']['allowed_headers']))
+            ->withHeader('Access-Control-Allow-Credentials', 'true');
+    }
+    
+    return $handler->handle($request);
+});
+
+// Error middleware
+$displayErrors = $config['app']['debug'];
+$app->addErrorMiddleware($displayErrors, true, true);
+
+// Import routes
+require __DIR__ . '/../routes/api.php';
+
+// Run
+$app->run();