anchor.diff:  
   ENV PHP_VERSION           ${VERSION}
   ENV PHP_VERSION_MAJOR     5
  -ENV PECL_XDEBUG_VERSION   2.4.1
   ENV PECL_YAML_VERSION     1.3.0
   
   RUN set -x \
  
positive.code:     && git clone https://github.com/jokkedk/webgrind \
      && cd webgrind \
      && rm -rf .git \
      && apk del .builddeps
  
  COPY bin/*  /usr/local/bin/
  COPY etc/php-fpm.conf  /etc/php${PHP_VERSION_MAJOR}/
  
  
negative.code:         php${PHP_VERSION_MAJOR}-dev \
          re2c \
          yaml-dev \
      ## yaml
      && wget -q -O - https://pecl.php.net/get/yaml-${PECL_YAML_VERSION}.tgz \
          | tar -xzf - -C /tmp \
  