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Update rollingupdateWithZeroDowntime.md

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无痴迷，不成功 2018-04-11 06:53:27 -07:00 committed by GitHub
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@ -40,6 +40,7 @@ kubectl describe pods -n k8s-ecoysystem-apps
kubectl -n k8s-ecoysystem-apps rollout undo deployments/helloworldapi
```
![](https://images2018.cnblogs.com/blog/1082769/201804/1082769-20180410162257177-338903127.png)
到目前为止，整个滚动发布工作就圆满完成了！！！
**那么如果我们想回滚到指定版本呢？答案是k8s完美支持，并且还可以通过资源文件进行配置保留的历史版次量。**由于篇幅有限，感兴趣的朋友，可以自己下去实战，回滚命令如下：
```javascript