diff --git a/lib/config.php b/lib/config.php
new file mode 100644
index 0000000..9d535c6
--- /dev/null
+++ b/lib/config.php
@@ -0,0 +1,17 @@
+<?php
+// Zentrale Konfiguration
+// Hinweis: In Produktion idealerweise per Environment-Variablen setzen.
+
+declare(strict_types=1);
+
+return [
+    'db' => [
+        'host' => getenv('GEIZKRAGEN_DB_HOST') ?: 'localhost',
+        'port' => (int)(getenv('GEIZKRAGEN_DB_PORT') ?: 3306),
+        'user' => getenv('GEIZKRAGEN_DB_USER') ?: 'User',
+        'pass' => getenv('GEIZKRAGEN_DB_PASS') ?: 'password',
+        'name' => getenv('GEIZKRAGEN_DB_NAME') ?: 'DB-Name',
+        'charset' => getenv('GEIZKRAGEN_DB_CHARSET') ?: 'utf8mb4',
+    ],
+];
+