add env config

public/index.php

@@ -6,4 +6,9 @@ use App\App;
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
-new App('https://uuid.php.fail/')->run();
+$base = getenv('BASE_URL');
+if (!is_string($base) || $base === '') {
+    $base = 'https://uuid.php.fail/';
+}
+
+new App($base)->run();

uuid.container

@@ -0,0 +1,15 @@
+[Unit]
+Description=UUID
+
+[Container]
+Image=git.hannover.ccc.de/lubiana/uuid:latest
+PublishPort=127.0.0.1:8001:8001
+Environment=SERVER_NAME=:8001
+Environment=BASE_URL=https://uuid.php.fail/
+AutoUpdate=registry
+
+[Service]
+Restart=always
+
+[Install]
+WantedBy=default.target