Attempt docker release fix

.github/workflows/docker-publish.yml

@@ -30,7 +30,7 @@ jobs:
         run: |
           echo "IMAGE_NAME=${REPO,,}" >> ${GITHUB_ENV}
 
-      # Using the following workaround because currently GitHub Actions 
+      # Using the following workaround because currently GitHub Actions
       # does not support logical AND/OR operations on triggers
       # It's currently not possible to have `branches` under the `schedule` trigger
       - name: Checkout the release branch (on release)
@@ -92,5 +92,6 @@ jobs:
       - name: Docker tag latest and push
         if: ${{ github.event_name == 'release' }}
         run: |
+          IMAGE_NAME="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
           docker tag $IMAGE_NAME:${{ github.ref_name }} $IMAGE_NAME:latest
           docker push $IMAGE_NAME:latest