anchor.diff:  #     && 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
   
  -# Install node and npm
  -RUN apt-get update && apt-get install -my wget gnupg
  -RUN curl -sL https://deb.nodesource.com/setup_8.x | bash -
  -RUN apt-get install -y nodejs
  -RUN npm i -g webpack && npm i -g typescript && npm i -g yarn 
  -
   # Configure sudoers for better dev experience ;-)
   RUN echo "Defaults umask=0002" >> /etc/sudoers \
       && echo "Defaults umask_override" >> /etc/sudoers
  
positive.code: 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
  
  # Install APCu
  RUN pecl install apcu
  
negative.code: WORKDIR /var/www/html
  
  # Install sys deps
  RUN echo "deb http://deb.debian.org/debian stretch main multiverse non-free"  > /etc/apt/sources.list && \
  echo "deb http://security.debian.org/debian-security stretch/updates main non-free" >> /etc/apt/sources.list && \
  echo "deb http://deb.debian.org/debian stretch-updates main non-free " >> /etc/apt/sources.list && \
  echo "deb http://deb.debian.org/debian stretch-backports main non-free" >> /etc/apt/sources.list && \
  echo "deb http://http.us.debian.org/debian stable main contrib non-free" >> /etc/apt/sources.list
  
  
  # Install node and npm
  RUN apt-get update && apt-get install -my wget gnupg
  RUN curl -sL https://deb.nodesource.com/setup_8.x | bash -
  RUN apt-get install -y nodejs
  RUN npm i -g webpack && npm i -g typescript && npm i -g yarn
  
  # Install specific version of Node (8.11.3)
  ENV NVM_DIR /usr/local/nvm
  RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.1/install.sh | bash
  ENV NODE_VERSION v8.11.3 
  RUN /bin/bash -c "source $NVM_DIR/nvm.sh && nvm install $NODE_VERSION && nvm use --delete-prefix $NODE_VERSION"
  ENV NODE_PATH $NVM_DIR/versions/node/$NODE_VERSION/lib/node_modules
  ENV PATH      $NVM_DIR/versions/node/$NODE_VERSION/bin:$PATH
  
  # PDFTK
  RUN mkdir /usr/share/man/man1 
  