Why do you use Docker? what are its characteristics?
Consistent running environment, Docker image provides a complete runtime environment except the kernel, which ensures the consistency of the application running environment.
It is easy to migrate, and it is easy to migrate applications running on one platform to another without having to worry about the changes in the running environment that lead to the application not running properly.
Lightweight and higher resource utilization, multiple Docker containers running on a machine can share the operating system kernel of the machine, they can start quickly and take up very little computing and memory resources.
Isolation of resources and system environment
Fast start, easy to stretch and expand.
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