anchor.diff:  #RUN composer require letudiant/composer-shared-package-plugin
   
   
  -RUN echo "Current dir: $(pwd)"
  -RUN echo "Cja: $(cat /cre/tmp/php/packages/composer.json)"
  -RUN echo "Cjr: $(cat ./composer.json)"
  -
   # yii3
   ## needs php 7.2 AND conflicts with yii2
   
   RUN composer require --prefer-stable --update-with-all-dependencies php-extended/php-http-message-factory-psr17
  -
  -RUN echo "Current dir: $(pwd)"
  -RUN echo "Cja: $(cat /cre/tmp/php/packages/composer.json)"
  -RUN echo "Cjr: $(cat ./composer.json)"
  -RUN echo "LS: $(ls -l /cre/tmp/php/packages/)"
  -
  -
  -
  -
  -
   
   
   RUN composer require --prefer-stable --update-with-all-dependencies ezyang/htmlpurifier
  
positive.code: 
  RUN composer install
  RUN composer update
  #RUN composer global install
  #RUN composer global update
  
  
  COPY cre /cre
  
negative.code:     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/share/doc/*
  
  
  RUN mkdir -p /cre/tmp/php/packages
  #RUN echo "{}" > /cre/tmp/php/packages/composer.json
  COPY cre/empty-composer.json /cre/tmp/php/packages/composer.json
  