anchor.diff:      && chown -R www-data:www-data /var/www \
       && curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/bin --filename=composer \
       && composer global require "hirak/prestissimo:^0.3" \
  -    && composer global require "phpunit/phpunit:^5.6.1"
  +    && composer global require "phpunit/phpunit:^5.7.26"
   
   RUN mkdir -p /var/log/cron \
       && touch /var/log/cron/cron.log \
  
positive.code:         ca-certificates \
          supervisor \
          bash \
      && pecl install \
          mcrypt-1.0.1 \
      && docker-php-ext-enable \
          mcrypt \
      && docker-php-ext-install \
          mcrypt \
          mbstring \
          mysqli \
          pdo_mysql \
          opcache \
  
negative.code: #
  
  RUN apk --no-cache add \
          freetype libpng libjpeg-turbo freetype-dev libpng-dev libjpeg-turbo-dev \
          wget \
          git \
  