anchor.diff: -FROM phusion/passenger-full:0.9.18
  +FROM phusion/passenger-full:0.9.19
   MAINTAINER Martin Fenner "mfenner@datacite.org"
   
   # Set correct environment variables.
  
positive.code: 
  # Install npm and bower packages
  WORKDIR /home/app/tmp/vendor
  RUN sudo -u app npm install && \
      npm install -g phantomjs-prebuilt
  
  # Install Ruby gems
  
negative.code:     mkdir -p /home/app/tmp/vendor/bundle && \
      chown -R app:app /home/app/tmp/vendor/bundle && \
      chmod -R 755 /home/app/tmp/vendor/bundle && \
      /sbin/setuser app bundle install --path vendor/bundle
  
  # Copy webapp folder
  ADD . /home/app/webapp
  