anchor.diff:  
   # Bundler
   RUN gem install bundler
  -
  -# Node JS 0.12.0
  -RUN curl https://deb.nodesource.com/node012/pool/main/n/nodejs/nodejs_0.12.0-1nodesource1~wheezy1_amd64.deb > node.deb \
  -    && dpkg -i node.deb \
  -    && rm node.deb
   
   # Grunt, Bower
   RUN npm install -g grunt-cli bower
  
positive.code:     DEBIAN_FRONTEND=noninteractive apt-get clean && \
      rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  # Other language packages and dependencies
  RUN \
      DEBIAN_FRONTEND=noninteractive apt-get update && \
      DEBIAN_FRONTEND=noninteractive apt-get -y --force-yes install \
      ruby1.9.1-full rlwrap \
      --no-install-recommends && \
      # Cleanup
      DEBIAN_FRONTEND=noninteractive apt-get clean && \
  
negative.code: RUN \
      DEBIAN_FRONTEND=noninteractive apt-get update && \
      DEBIAN_FRONTEND=noninteractive apt-get -y --force-yes install \
      supervisor curl wget zip git mysql-client pv apt-transport-https \
      --no-install-recommends && \
      # Cleanup
      DEBIAN_FRONTEND=noninteractive apt-get clean && \
  