progrium/dokku — pull request #168 by Kloadut (2013-08-11 11:47:25+00:00)
Title: Build image from Dockerfile instead of curl S3

Avoid the download from S3 by building the container in docker instead of importing it.
The final container is slightly lighter.

This PR has to be merged along with https://github.com/progrium/buildstep/pull/24