wantedly/dockerfile-ruby — pull request #2 by dtan4 (2014-11-20 08:57:07+00:00)
Title: Install Ruby 2.1.5

Install Ruby 2.1.5 by the same way as [original Dockerfile](https://github.com/wantedly/dockerfile-ruby/blob/master/2.1/Dockerfile).
I've checked it is enable to build with [wantedly/buildpack-deps](https://github.com/wantedly/buildpack-deps).