anchor.diff:  #   Expose Nginx HTTP service
   EXPOSE 80
   
  +#   Enable nginx 
  +RUN rm -f /etc/service/nginx/down
  +
  +#   Remove default site
  +RUN rm /etc/nginx/sites-available/default
  +
   #   Configure nginx
   ADD deploy/nginx/webapp.conf /etc/nginx/sites-enabled/webapp.conf
   ADD deploy/nginx/rails-env.conf /etc/nginx/main.d/rails-env.conf
  +
  +#   Install AWS tools
  +RUN apt-get update
  +RUN apt-get install zip -y
  +RUN curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
  +RUN unzip awscli-bundle.zip
  +RUN ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws
   
   #   Run Bundle in a cache efficient way
   WORKDIR /tmp
  
positive.code: RUN chmod -R 0777 /home/app/webapp
  
  #   Run python setup
  WORKDIR /home/app/webapp/gruve
  RUN python3 setup.py develop
  
  # Clean up APT when done.
  RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
negative.code: FROM phusion/passenger-ruby21:0.9.15
  
  #   Set correct environment variables.
  ENV HOME /root
  