Don’t do PR previews, which resolves #216 (#396)

Author: vcarl

.github/workflows/node.js.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Build and push Docker images
         uses: docker/build-push-action@v3
         with:
-          push: true
+          push: ${{ github.ref == 'refs/heads/main' || github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/feature/actions' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}