kubernetes pause容器解析

参考文档

• https://zhuanlan.zhihu.com/p/66252461 //知乎专栏
• https://cloud.tencent.com/developer/article/1375877 //腾讯云
• https://github.com/kubernetes/kubernetes/tree/master/build/pause // pause 源码解析
• https://o-my-chenjian.com/2017/10/17/The-Pause-Container-Of-Kubernetes/