anchor.diff:  
   # Prepare host-volume working directory
   RUN mkdir /project
  -WORKDIR /project+WORKDIR /project
  
positive.code: RUN pecl install \
          mongodb \
          apcu \
          xdebug-2.7.1 && \
      docker-php-ext-enable \
          apcu.so \
          mongodb.so \
  
negative.code: FROM php:7.3.7-cli-buster
  
  MAINTAINER Tobias Munk tobias@diemeisterei.de
  
  