diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index ae61aad..ba3cb3c 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -15,6 +15,13 @@ jobs:
       - name: Code auschecken
         uses: actions/checkout@v4
 
+      - name: Docker-Daemon Diagnose
+        run: |
+          echo "--- Umgebungsvariablen (DOCKER_*) ---"
+          env | grep -i docker || echo "keine DOCKER_* Variable gesetzt"
+          echo "--- docker info ---"
+          docker info
+
       - name: Bei der Registry anmelden
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ${{ env.REGISTRY }} -u ${{ github.actor }} --password-stdin