Without FAANG Internship Kubernetes Explained for Novice Developers

Virtualization itself is used to solve the problem of the underutilization of hardware resources. Through virtualization, we can make full use of hardware resources and avoid the waste of hardware resources. The initial virtualization is basically host-level virtualization, which has a very serious problem, that is, during the virtualization process, the virtual kernel itself will waste a lot of resources.

To solve this problem, docker was born, docker solves the waste of resources caused by the need for virtual kernels when the host is virtualized. On the other hand, docker itself is very lightweight, which makes it very convenient for us to complete the project migration. Docker introduces the concept of mirroring, and packages each service into individual image files. You can use the image file to quickly build a service, instead of installing the system, building the environment, installing dependencies, and installing the service as before

These operations no longer require developers to do it manually, but just run the image. However, along with the above advantages, docker has some fatal problems, that is, it is not suitable for management. This directly prevents developers from actually using docker in the production environment, because docker is too difficult for batch management of containers.

For example, if you and your uncle share a big house, certainly you can live comfortably, but all the resources are not as free as you want when you live alone. The two have to negotiate, like if your nephew wants to occupy the study room, you may have to let it out.

Docker not only can do Isolation of resources, but standardized and systematized (repo/image), all rooms of your’s uncle big home (container) are uniformly decorated and furnished, and you can enjoy a relatively independent living environment by paying and signing a contract, and your own things are in your room you can put it anywhere in the room.

At the same time, docker still has many serious problems, such as container…

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