Cloud Build构建Django镜像报状态码51错误，请求帮助

执行Google Cloud Run Django教程第7步的构建命令：

gcloud builds submit --pack image=gcr.io/${PROJECT_ID}/myimage

时出现以下错误：

ERROR: failed to build: exit status 1 ERROR: failed to build:
executing lifecycle. This may be the result of using an untrusted
builder: failed with status code: 51 ERROR ERROR: build step 0
"gcr.io/k8s-skaffold/pack" failed: step exited with non-zero status: 1

BUILD FAILURE: Build step failure: build step 0
"gcr.io/k8s-skaffold/pack" failed: step exited with non-zero status: 1
ERROR: (gcloud.builds.submit) build
75a52dae-9a4f-4591-af13-5fe1228533b4 completed with status "FAILURE"

解决方案 #

• 指定受信任的Builder：错误提示指向非信任的builder，替换命令为官方Cloud Build的pack builder：

  gcloud builds submit --builder=gcr.io/cloud-builders/pack --pack image=gcr.io/${PROJECT_ID}/myimage
  

  或切换使用Kaniko构建器避免信任问题：

  gcloud config set builds/use_kaniko True
  gcloud builds submit --pack image=gcr.io/${PROJECT_ID}/myimage
  

• 验证环境变量与项目配置：

  1. 执行echo ${PROJECT_ID}确认项目ID已正确设置，若为空则手动指定：

     gcloud config set project 你的项目ID
     

  2. 确保当前账号拥有Cloud Build Editor和Cloud Run Developer权限，在IAM控制台中检查并配置权限。

• 查看详细构建日志：
  登录Cloud Console的Cloud Build页面，找到ID为75a52dae-9a4f-4591-af13-5fe1228533b4的失败构建，查看完整日志定位具体故障点（如依赖安装失败、Django配置错误等）。

• 更新pack工具：
  Cloud Shell中的pack版本可能过旧，执行以下命令更新：

  curl -sSL https://github.com/buildpacks/pack/releases/latest/download/pack-linux.tgz | sudo tar -C /usr/local/bin --no-same-owner -xzv pack
  

内容的提问来源于stack exchange，提问作者udhav bajaj