一些领悟

![kubernetes.png](https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/b2898e9c021e4fb4ae83ac2353ddcc28

转：https://zhuanlan.zhihu.com/p/104614255#%E4%BB%80%E4%B9%88%E6%98%AF%E5%BA%B7%E5%A8%81%E5%AE%9A%E5%B