anchor.diff:  	libpng-dev \
   	libgd-dev \
   	&& docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
  -	&& docker-php-ext-install \
  +	&& docker-php-ext-install -j$(nproc) \
   		gd \
   		exif
   
   # database
  -RUN docker-php-ext-install \
  +RUN docker-php-ext-install -j$(nproc) \
   	mysqli \
   	pdo \
   	pdo_mysql
   
   # strings
  -RUN docker-php-ext-install \
  +RUN docker-php-ext-install -j$(nproc) \
   	gettext \
   	mbstring
   
  
positive.code: RUN apt-get update \
  	&& apt-get install -y libicu-dev \
  	&& docker-php-ext-configure intl \
  	&& docker-php-ext-install intl
  
  # xml
  RUN apt-get update \
  	&& apt-get install -y \
  	libxml2-dev \
  	libxslt-dev \
  	&& docker-php-ext-install \
  		dom \
  		xmlrpc \
  		xsl
  
negative.code: 	&& apt-get install -y \
  	libbz2-dev \
  	zlib1g-dev \
  	&& docker-php-ext-install -j$(nproc) \
  		zip \
  		bz2
  
  