diff --git a/src/Service/Process/CleanProcess.php b/src/Service/Process/CleanProcess.php
new file mode 100644
index 0000000..e827bd0
--- /dev/null
+++ b/src/Service/Process/CleanProcess.php
@@ -0,0 +1,46 @@
+<?php
+/*
+ * CleanProcess.php 2026-03-27 thomas
+ *
+ * Copyright (c) 2026 Thomas Schneider <thomas@inter-mundos.de>
+ * Alle Rechte vorbehalten.
+ */
+
+namespace App\Service\Process;
+
+use Symfony\Component\Process\Process;
+
+class CleanProcess extends Process
+{
+    public function start(?callable $callback = null, array $env = []): void
+    {
+        // von docker compose gesetzte Umgebungsvariablen zurücksetzen
+        $this->parseEnvVars('DOCKER_DOTENV_VARS', $env);
+
+        // Symfony dotenv-Variablen für den Prozess zurücksetzen
+        $this->parseEnvVars('SYMFONY_DOTENV_VARS', $env);
+
+        parent::start($callback, $env);
+    }
+
+
+    private function parseEnvVars(string $keySelector, array &$env): void
+    {
+        $preservedKeys = [];
+
+        if(empty(getenv($keySelector)))
+        {
+            return;
+        }
+
+        // prepare DDEV-Environments
+        if(getenv('IS_DDEV_PROJECT'))
+        {
+            $preservedKeys += ['SSH_AUTH_SOCK'];
+        }
+
+        $vars = array_fill_keys(explode(',', getenv($keySelector)), false);
+
+        $env = [...array_diff_key($vars, array_flip($preservedKeys)), ...$env];
+    }
+}