Deis has quite a few successful deployments in the wild. Most of the work being done today is around automated testing, platform hardening, HA/failure modes, etc. A stable release is not far away.
Deis is for software teams who need to operate their own servers (for a variety of reasons). If you're a "regular developer with little real world Ops experience", I personally recommend sticking with Heroku or equivalent hosted services despite the occasional outages.
