Docker Ruby 
Features
- Ubuntu 14.04.1 LTS (phusion/baseimage, for added Docker friendliness)
- build-essential for compiling
- RVM with Ruby 2.1.5, 2.1.6, 2.2.2, 2.2.3 or 2.2.4
- Bundler
- wget
Licence
Copyright © 2016, 2017 Interactive Pioneers GmbH. Licenced under GPL-3.