我正在为GKE上的Spring Boot应用程序设置CI CD管道。 在GCP上使用Cloud Build执行CI时，将更新的清单推送到候选分支时构建失败。 “在步骤5失败” 我可以在云构建中看到以下日志

Finished Step #4 - "Generate manifest"
Starting Step #5 - "Push manifest"
Step #5 - "Push manifest": Already have image (with digest): gcr.io/cloud-builders/gcloud
Step #5 - "Push manifest": + cd eureka-cloudbuild-env
Step #5 - "Push manifest": + git add kubernetes.yaml
Step #5 - "Push manifest": + git log --format=%an <%ae> -n 1 HEAD
Step #5 - "Push manifest": On branch candidate
Step #5 - "Push manifest": Your branch is up to date with 'origin/candidate'.
Step #5 - "Push manifest": 
Step #5 - "Push manifest": nothing to commit,working tree clean
Step #5 - "Push manifest": + git commit -m Deploying image gcr.io/amcartecom/eureka-cloudbuild:v2
Step #5 - "Push manifest": Built from commit 34dfdd69af726f80d3b91b29127e0c77cc2a83cf of repository eureka-cloudbuild-app
Step #5 - "Push manifest": Author: root <983160928936@cloudbuild.gserviceaccount.com>
Finished Step #5 - "Push manifest"
ERROR
ERROR: build step 5 "gcr.io/cloud-builders/gcloud" failed: exit status 1

要设置此管道，我遵循了https://cloud.google.com/kubernetes-engine/docs/tutorials/gitops-cloud-build