anchor.diff: -# Rails Dev Environment (gewo/rails-dev)
  +# Rails Dev Environment (gewo/rails)
   FROM gewo/rvm
   MAINTAINER Gebhard Wöstemeyer <g.woestemeyer@gmail.com>
   
  
positive.code: RUN rvm-shell -c "gem install rake"
  RUN rvm-shell -c "gem install rails"
  
  CMD ["/bin/bash", "-l"]
  
negative.code: # Headless Selenium Tests
  RUN apt-get install -y firefox xvfb || true
  
  # Java Runtime (for Solr, ...)
  RUN apt-get install -y openjdk-7-jre-headless
  
  RUN apt-get clean
  
  # Install Ruby
  