anchor.diff:  
   
   # Install Nginx
  -RUN apt-get install -y nano dialog net-tools
  -RUN apt-get install -y nginx
  +RUN apt-get install -y nano dialog net-tools nginx supervisor
   
   # Replace the default Nginx configuration file
   RUN rm -v /etc/nginx/nginx.conf
  
positive.code: 
  
  # Setup supervisor to manage processes
  RUN apt-get install -y supervisor
  
  RUN echo $'\
  [supervisord]\n\
  nodaemon=true\n\
  
negative.code: 
  # build: docker build -t kengz/aiva .
  # see log in /var/log/nginx/
  # ok still cant run npm start. need change forever at foreground