I have started posting up my builds of Docker.io. They are unofficial, and unsupported by the community, pending official support and code release supporting 32-bit architectures.

https://drive.google.com/drive/u/0/#folders/0Bx5ME-up1Usbb2JMdVBvNGFSTUE

I have setup my system to auto-build every week and post to this shared directory. There’s a readme in the shared folder.