Update docker image build script

.github/workflows/build-and-publish.yml

@@ -47,9 +47,10 @@ jobs:
 
       - name: Build release image
         uses: docker/build-push-action@v2
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
         with:
           context: ./
           file: ./docker/Dockerfile
-          push: ${{ github.event_name != 'pull_request' }}
+          push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}