Added Ruby 1.9.3 docker file.

Author: mrbiggred

ruby/1.9.3/Dockerfile

@@ -0,0 +1,12 @@
+FROM ruby:1.9.3
+
+# Install stuff
+RUN apt-get update -qq && apt-get install -y build-essential
+
+# Install Gems.  Use Bundler 1.17.3 as 2+ does not work with
+# Ruby 1.9.3.  Also update the rubygems to prevent frozen string
+# errors.  Rubygems 2.7.8 is the latest version to support Ruby 1.9.3.
+RUN gem install rubygems-update -v 2.7.8
+RUN update_rubygems
+RUN gem install bundler -v 1.17.3
+RUN bundle install