anchor.diff:  RUN apt-get clean -y
   
   # Setup PHP ini configs
  -RUN echo "date.timezone=Europe/London" >>  /usr/local/etc/php/conf.d/signature.ini
  -RUN echo "opcache.enable=1" >>  /usr/local/etc/php/conf.d/signature.ini
  -RUN echo "opcache.max_accelerated_files=32531" >>  /usr/local/etc/php/conf.d/signature.ini
  -RUN echo "opcache.memory_consumption=512" >>  /usr/local/etc/php/conf.d/signature.ini
  -RUN echo "upload_max_filesize = 10M" >>  /usr/local/etc/php/conf.d/signature.ini
  -RUN echo "post_max_size = 11M" >>  /usr/local/etc/php/conf.d/signature.ini
  -RUN echo "memory_limit = 512M" >>  /usr/local/etc/php/conf.d/signature.ini
  +RUN echo "date.timezone=Europe/London" > /usr/local/etc/php/conf.d/signature.ini && \
  +echo "opcache.enable=1" >> /usr/local/etc/php/conf.d/signature.ini && \
  +echo "opcache.max_accelerated_files=32531" >> /usr/local/etc/php/conf.d/signature.ini && \
  +echo "opcache.memory_consumption=512" >> /usr/local/etc/php/conf.d/signature.ini && \
  +echo "upload_max_filesize = 10M" >>  /usr/local/etc/php/conf.d/signature.ini && \
  +echo "post_max_size = 11M" >> /usr/local/etc/php/conf.d/signature.ini && \
  +echo "memory_limit = 512M" >> /usr/local/etc/php/conf.d/signature.ini
   
   # Install APCu
   RUN pecl install apcu
  
positive.code:         libzip-dev \
          libicu-dev \
          g++ \
  	    poppler-utils \
          openjdk-8-jdk \
          libgd3 \
          libgd-dev
  
negative.code: #     && mv /tmp/blackfire-*.so $(php -r "echo ini_get('extension_dir');")/blackfire.so \
  #     && printf "extension=blackfire.so\nblackfire.agent_socket=tcp://blackfire:8707\n" > $PHP_INI_DIR/conf.d/blackfire.ini
  
  # Configure sudoers for better dev experience ;-)
  RUN echo "Defaults umask=0002" >> /etc/sudoers \
      && echo "Defaults umask_override" >> /etc/sudoers
  