anchor.diff:  # add Nginx virtualhost template that we'll overwrite
   COPY nginx.conf.ctmpl /etc/containerpilot/nginx.conf.ctmpl
   
  -EXPOSE 8000 8443 8001 8444+EXPOSE 8000 8443 8001 8444
  +
  +CMD ["/bin/containerpilot", "nginx", "-g", "daemon off;"]
  
positive.code: # a minimal Nginx container including ContainerPilot and a simple virtulhost config
  FROM nginx:latest
  
  RUN apt-get update && apt-get install -y curl unzip
  
  # we use consul-template to re-write our Nginx virtualhost config
  RUN curl -Lo /tmp/consul_template_0.14.0_linux_amd64.zip https://releases.hashicorp.com/consul-template/0.14.0/consul-template_0.14.0_linux_amd64.zip && \
  
negative.code:     && rm /tmp/containerpilot.tar.gz
  
  # add ContainerPilot configuration and onChange handler
  COPY containerpilot.json /etc/containerpilot.json
  ENV CONTAINERPILOT=file:///etc/containerpilot.json
  COPY reload-nginx.sh /bin/reload-nginx.sh
  
  # add Nginx virtualhost configuration
  