Anywhere I see Docker on Mac mentioned, I always point people to Dinghy. It has solved a lot of the issues the vanilla solutions had (NFS, fsevents etc) and the maintainer is incredibly responsive.

I would love to see Docker come up with something that rivals Dinghy as I would prefer not to have to use a third party tool, but considering their reputation for stability and the comments being made about xhyve, I am happy to continue using (and gushing about) Dinghy for the foreseeable future.