diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 19a1865..ccd1533 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -3,16 +3,11 @@ services:
     build: .
     container_name: dnf-mirror
     restart: unless-stopped
-    environment:
-      # Git-Repo mit der packages.yaml Whitelist
-      - CONFIG_REPO_URL=https://git.internal.example.com/infra/dnf-mirror-config.git
-      # Branch, von dem gesynct wird
-      - CONFIG_REPO_BRANCH=main
-      # Cron-Intervall (Standard: alle 6 Stunden)
-      - SYNC_CRON=0 */6 * * *
     volumes:
       # Persistente Ablage der gespiegelten RPMs + Repo-Metadaten
       - repo-data:/data/repo
+    secrets:
+      - gpg_private_key
     ports:
       - "8081:80"