Basically, developers have heard of sandbox and virtual machine (VM). Container technology is very popular now, among which docker is the most popular. K8s, as a cluster management tool, is also very popular recently. We often talk about the connection between docker and K8s, so what is the connection between them?

First of all, both sandbox and VM are virtual technologies, which are used to virtualize software operating environment and have the function of resource isolation. Sandbox is relatively "light" (only a small environment needs virtualization) and once it exits, it will release the previously occupied resources; VM is heavier (the whole operating system is virtualized, which is equivalent to a sub-computer). For the difference between sandbox and VM, please refer to the blog: blogs.com/misswangxing/p/10669444.html. 。

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