anchor.diff:  
   # Enable debug extension
   RUN echo "extension=blackfire.so\nblackfire.agent_socket=\${BLACKFIRE_PORT}" > $PHP_INI_DIR/conf.d/blackfire.ini \
  -    && echo "zend_extension=`ls /usr/local/lib/php/extensions/no-debug-non-zts-*/xdebug.so`" > /usr/local/etc/php/conf.d/xdebug.ini
  +    && echo "zend_extension=xdebug.so" > /usr/local/etc/php/conf.d/xdebug.ini
   
   RUN wget http://files.magerun.net/n98-magerun.phar -O /usr/bin/n98-magerun \
       && chmod +x /usr/bin/n98-magerun \
  
positive.code: FROM php:7.1-fpm
  MAINTAINER Jeroen Boersma <jeroen@srcode.nl>
  
  ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=app --with-fpm-group=app
  
negative.code:     && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
      && docker-php-ext-install gd
  
  RUN wget https://xdebug.org/files/xdebug-2.5.0rc1.tgz \
      && tar -xvzf xdebug-*.tgz \
      && cd xdebug-* \
      && phpize \
      && ./configure \
      && make \
      && cp modules/xdebug.so `php -r "echo ini_get('extension_dir');"`/xdebug.so \
      && cd && rm -rf xdebug-2.*
  
  # Install blackfire agent
  