概述
零停机部署验证工作流是一个中级难度的工作流。用滚动更新零停机部署，并在过渡期间验证健康检查。该工作流的目标是：Deploy an application update without any user-visible downtime.
环境准备
执行本工作流需要以下环境：A deployment system supporting rolling updates；Health check endpoints on the application；Sufficient capacity to run old and new versions simultaneously。请确保在开始前准备好所有必需的工具和资源，以避免中途因环境问题中断。
执行步骤
本工作流包含5个步骤。步骤1：Verify health checks——Confirm that health check endpoints are working on the current version. 步骤2：Start rolling update——Initiate a rolling deployment that replaces instances one at a time. 步骤3：Monitor health——Watch health check status for each new instance as it comes up. 步骤4：Verify no dropped requests——Check that request success rate stays at 100 percent during the rollout. 步骤5：Complete deployment——Confirm all instances are running the new version and old instances are removed.
验证与清理
预期结果：The application is updated with zero downtime and all health checks pass throughout the deployment.。验证方法：Monitor request success rate during deployment; confirm no 502 or 503 errors occurred.。清理操作：Roll back to the previous version if health checks fail for new instances.。estimatedMinutes 为 40 分钟。
代码示例
# Execute the workflow steps as documented above
echo "Workflow completed successfully"