codeunion/example-rails-4-image-gallery — pull request #2 by zspencer (2014-10-07 03:07:27+00:00)
Title: User may upload image

This introduces carrierwave and amazon web services.

Again, read the pull request oldest commit to newest for greatest effect. Or jump into a commit that sounds like something you would find interesting.

Feel free to add comments on the diffs if you have any questions!