These are the resources to build the Rails Docker image that you will find at my Docker Hub profile.
- https://developer.fedoraproject.org/tech/languages/ruby/ror-installation.html
- https://fedoraproject.org/wiki/Changes/Ruby_on_Rails_4.2
- https://fedoraproject.org/wiki/Ruby_SIG
- http://www.isitfedoraruby.com
- https://github.com/docker-library/rails/blob/9df9b5e6b1519faf22e1565c2caaebf7cc1c665b/onbuild/Dockerfile