anchor.diff:      apt-get install -y wget
   
   # install and configure the Apache Web Server
  +ARG GRADLE_DOWNLOAD_AMOUNT=14
   ENV GRADLE_DIST /var/www/gradle.org/public_html/distributions
   ADD gradle_downloader.sh $GRADLE_DIST/
   RUN apt-get install -y apache2 && \
  
positive.code: 
  # Base image
  # ---------------------------------------------------------------------- #
  FROM ubuntu:16.04
  
  # Author
  # ---------------------------------------------------------------------- #
  
negative.code:     sed -i 's%\(^\s*SSLCertificateKeyFile\s*\).*%\1/etc/apache2/ssl/apache.key%g' /etc/apache2/sites-available/default-ssl.conf && \
      a2ensite default-ssl.conf && \
      chmod +x $GRADLE_DIST/gradle_downloader.sh && \
      $GRADLE_DIST/gradle_downloader.sh $GRADLE_DIST $GRADLE_DOWNLOAD_AMOUNT
  EXPOSE 80 443
  CMD ["/usr/sbin/apachectl", "-D", "FOREGROUND"]
  