anchor.diff:  RUN curl -sS https://getcomposer.org/installer | php -- \
           --filename=composer \
           --install-dir=/usr/local/bin
  -RUN composer global require --optimize-autoloader \
  +RUN composer global require --prefer-dist --no-interaction --optimize-autoloader --apcu-autoloader \
           "hirak/prestissimo"
   
   # Prepare application
  
positive.code: 
  # Install vendor
  COPY ./composer.json /repo/composer.json
  RUN composer install --prefer-dist --no-interaction --optimize-autoloader --classmap-authoritative
  
  # Add source-code
  COPY . /repo
  
negative.code: # Install pecl extensions
  RUN pecl install \
          mongodb \
          apcu \
          xdebug-2.7.1 && \
      docker-php-ext-enable \
          apcu.so \
          mongodb.so \
          xdebug
  
  