anchor.diff: -FROM phusion/passenger-ruby22:0.9.18
  +FROM phusion/passenger-ruby22:0.9.19
   CMD ["/sbin/my_init"]
   
   RUN apt-get update \
  
positive.code: 
  # Enable unattended-upgrades
  RUN echo unattended-upgrades unattended-upgrades/enable_auto_updates select true | debconf-set-selections \
      && DEBIAN_FRONTEND=noninteractive dpkg-reconfigure unattended-upgrades \
      && apt-get -y install update-notifier-common
  ADD scripts/cron-restart.sh /etc/cron.daily/restart-nginx-if-necessary
  
  
negative.code: 
  # Install latest rubygems and bundler
  RUN gem update --system \
      && gem uninstall rubygems-update \
      && gem install bundler \
      && gem pristine --all
  
  