Set open_basedir to restrict file access to the current directory

index.php

@@ -10,6 +10,9 @@ use Slim\Views\Twig;
 
 require __DIR__ . '/vendor/autoload.php';
 
+/** Set some restrictions */
+ini_set('open_basedir', __DIR__);
+
 /** Initialize environment variable handler */
 $dotenv = Dotenv::create(__DIR__);
 $dotenv->load();