anchor.diff:  RUN \
       apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 && \
       echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' >> /etc/apt/sources.list.d/mongodb.list && \
  -    apt-get update && \
  -    apt-get install -q -y mongodb-org && \
  +    apt-get update && apt-get install -y mongodb-org && \
       rm -rf /var/lib/apt/lists/*
   
   VOLUME ["/data/db"]
  
positive.code: ########## Zend Server installation - END ##########
  
  ########## Varnish installation - START ##########
  RUN \
      apt-get install -y apt-transport-https curl && \
      curl https://repo.varnish-cache.org/ubuntu/GPG-key.txt | apt-key add - && \
      echo "deb https://repo.varnish-cache.org/ubuntu/ trusty varnish-3.0" >> /etc/apt/sources.list.d/varnish-cache.list && \
      apt-get update && \
      apt-get install -q -y varnish
  
  EXPOSE 80
  ########## Varnish installation - END ##########
  
negative.code: RUN \
      apt-key adv --keyserver pgp.mit.edu --recv-key 799058698E65316A2E7A4FF42EAE1437F7D2C623 && \
      echo "deb http://repos.zend.com/zend-server/8.0.0-beta/deb_apache2.4 server non-free" >> /etc/apt/sources.list.d/zend-server.list && \
      apt-get update && apt-get install -y autoconf make zend-server-php-5.5 && \
      yes "" | /usr/local/zend/bin/pecl install mongo && \
      /usr/local/zend/bin/zendctl.sh stop
  
  