fixed tagging

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

.gitea/workflows/docker.yaml

@@ -19,14 +19,15 @@ jobs:
 
       - name: Store tag date
         run: |
-          DATE=$(date +%Y%m%d_%H%M)
-          echo $DATE | tee /tmp/date
+          TAG=$(date +%Y%m%d_%H%M)_${{ gitea.ref_name }}
+          echo $TAG > /tmp/tag
+          echo Using '"'$TAG'"' as tag.
 
       - name: Tag image for upload
         run: |
-          DATE=$(cat /tmp/date)
+          TAG=$(cat /tmp/tag)
           docker tag umbrella ${{ secrets.REGISTRY_PATH }}/umbrella:${{ gitea.ref_name }}
-          docker tag umbrella ${{ secrets.REGISTRY_PATH }}/umbrella:$DATE_${{ gitea.ref_name }}
+          docker tag umbrella ${{ secrets.REGISTRY_PATH }}/umbrella:$TAG
 
       - name: Login to registry
         uses: docker/login-action@v2
@@ -37,6 +38,6 @@ jobs:
 
       - name: Push to registry
         run: |
-          DATE=$(cat /tmp/date)
+          TAG=$(cat /tmp/tag)
           docker push ${{ secrets.REGISTRY_PATH }}/umbrella:${{ gitea.ref_name }}
-          docker push ${{ secrets.REGISTRY_PATH }}/umbrella:$DATE_${{ gitea.ref_name }}
+          docker push ${{ secrets.REGISTRY_PATH }}/umbrella:$TAG