You can, but it be comes quite difficult to secure and manage very quickly. Nikos talks about the SSH use case at CERN in this video [1] and mentions that they tried quite a few things before ending up with ContainerSSH.
Thanks for this! This explains the project better than the GitHub site
Yeah, we've gone through a few iterations with the README on GH, but it's really hard to explain the project in the length available there without going into only a very specific use case.