anchor.diff: -FROM php:7.3-cli-buster
  +FROM php:7.4-cli-buster
   
   ARG DEBIAN_FRONTEND=noninteractive
   
  
positive.code: RUN apt-get update; \
      apt-get full-upgrade -y; \
      apt-get install -y --no-install-recommends \
          libzip-dev \
          unzip \
      ; \
  
negative.code:     docker-php-ext-install \
          zip; \
      pecl install \
          xdebug-2.9.1; \
      docker-php-ext-enable \
          xdebug; \
      curl -fsSL \
          "https://composer.github.io/installer.sha384sum" \
          -o composer-setup.php.checksum; \
      curl -fsSL \
          "https://getcomposer.org/installer" \
          -o composer-setup.php; \
      sha384sum --check --strict \
          composer-setup.php.checksum; \
      php composer-setup.php --install-dir=/usr/bin --filename=composer; \
      rm composer-setup.php*; \
      echo "memory_limit = -1" > /usr/local/etc/php/conf.d/zzz-idoitapi.ini;
  
  WORKDIR /usr/src
  
  