anchor.diff:  WORKDIR /var/www/html
   
   EXPOSE 80 443
  +
  +USER www-data
  
positive.code: FROM php:7.4-fpm-alpine
  
  # Install Packages
  RUN apk update
  
negative.code: # Install Docker Packages
  RUN docker-php-ext-install mysqli pdo pdo_mysql tokenizer xml zip
  
  # Install Composer
  RUN curl -sS https://getcomposer.org/installer \
      | php -- --install-dir=/usr/local/bin --filename=composer
  