anchor.diff:      && rm /tmp/containerpilot.tar.gz
   
   # add ContainerPilot configuration and onChange handler
  -COPY containerpilot.json /etc/containerpilot/containerpilot.json
  +COPY containerpilot.json /etc/containerpilot.json
  +ENV CONTAINERPILOT=file:///etc/containerpilot.json
   COPY reload-nginx.sh /bin/reload-nginx.sh
   
   # add Nginx virtualhost configuration
  
positive.code: # add Nginx virtualhost template that we'll overwrite
  COPY nginx.conf.ctmpl /etc/containerpilot/nginx.conf.ctmpl
  
  EXPOSE 8000 8443 8001 8444
negative.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 wget
  
  # 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 && \
  