operating system - Is running Docker on bare metal maintainable? -

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I want to create web services which will be distributed as a doc container on my platform.

The docker running on a physical machine is faster than running in the VPS, because there is no upper part from the virtual OS layer. However, a VPS is more satisfying when the software in the environment crashes the system.

I wonder what will happen if the environment is disconnected in the Docker Container, due to the OS bugs / exceptions or external attacks can affect the host system, and the whole machine is contaminated or Can the accident happen?

Would you advise the docker to run physically or to any virtual machine?

Sharing the kernel with the guest host by dock As a result, any kernel exploitation / corruption affects the host Will do

Dockers safety seems so complex though. I advise to be very careful about reading and using users in our containers.

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