anchor.diff:  RUN apt-key adv --keyserver pgp.mit.edu --recv-keys 573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62
   RUN echo "deb http://nginx.org/packages/debian/ jessie nginx" >> /etc/apt/sources.list
   
  -ENV NGINX_VERSION 1.8.0-1~jessie
   ENV DEBIAN_FRONTEND noninteractive
   
   # install dialog as ca-certificates prerequisite
  
positive.code: # Nginx entrypoint script
  COPY config/docker-nginx-entrypoint.sh /docker-nginx-entrypoint.sh
  RUN chmod u=rwx /docker-nginx-entrypoint.sh
  ENTRYPOINT ["/docker-nginx-entrypoint.sh"]
negative.code: # Nginx Install
  RUN apt-get install -y \
      ca-certificates \
      nginx && \
      rm -rf /var/lib/apt/lists/*
  
  # Nginx Config file
  