anchor.diff:          php7.1-xml \
           php7.1-mcrypt \
           php7.1-zip \
  -        php7.1-common \
  -        php7.1-xml \
           php-memcached \
           php7.1-mcrypt \
           php7.1-mongodb \
  
positive.code: RUN . ~/.bashrc
  
  # Clean up, to free some space
  RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  WORKDIR /var/www/site
negative.code:         cron \
          git \
          curl \
          zip \
          unzip \
          vim \
          nano \
          nodejs \
  