What is a container, technically?

Containers are Linux Processes with additional configuration added. Let’s take a look at it from technical perspective:

The Docker container launches a process called redis-server.
From the host, here we can view all the processes running, including those started by Docker.
From the host, here we can view all the processes running, including those started by Docker.
“pstree” command here, lists all of the sub processes

As you can see from Linux perspective, these are standard processes and have the same properties as other processes on our system.

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