What work does the process in container “gcr.io/google_containers/pause:0.8.0” do?

Question

I have known clearly about the usage of the docker option --net=container:NAME_or_ID, I also have read the source code of kubernetes about how to configure the

Answer 1

The Dockerfile is here: it just adds pause binary to an empty container.

The pause code is here: it just waits until it receives SIGINT or SIGTERM.