Like I already said, there is an ongoing discussion about replacing SSH with nsenter now that nsenter is a viable alternative: https://github.com/phusion/baseim

Like I already said, there is an ongoing discussion about replacing SSH with nsenter now that nsenter is a viable alternative: https://github.com/phusion/baseimage-docker/issues/102 https://github.com/phusion/baseimage-docker/issues/102 SSH was purely chosen because until recently there wasn't a better alternative. lxc-attach stopped working out of the box since Docker 0.9. See https://news.ycombinator.com/item?id=7951042 https://news.ycombinator.com/item?id=7951042