Merge pull request #41142 from tengqm/serial-build

Use single CPU for building site preview

Author: k8s-ci-robot

Makefile

@@ -40,7 +40,7 @@ build-preview: module-check ## Build site with drafts and future posts enabled
 	hugo --cleanDestinationDir --buildDrafts --buildFuture --environment preview
 
 deploy-preview: ## Deploy preview site via netlify
-	hugo --cleanDestinationDir --enableGitInfo --buildFuture --environment preview -b $(DEPLOY_PRIME_URL)
+	GOMAXPROCS=1 hugo --cleanDestinationDir --enableGitInfo --buildFuture --environment preview -b $(DEPLOY_PRIME_URL)
 
 functions-build:
 	$(NETLIFY_FUNC) build functions-src