anchor.diff:  RUN apt-get update && \
       apt-get install -y apt-transport-https build-essential git curl
   
  -RUN echo "deb https://download.ceph.com/debian-jewel trusty main" >> /etc/apt/sources.list
  +RUN echo "deb https://download.ceph.com/debian-jewel xenial main" >> /etc/apt/sources.list
   
   RUN apt-get update && \
       apt-get install -y --force-yes librados-dev librbd-dev
  
positive.code: RUN go get -d && \
      go build -o /bin/ceph_exporter
  
  EXPOSE 9128
  ENTRYPOINT ["/bin/ceph_exporter"]
  
negative.code: FROM ubuntu:16.04 as builder
  MAINTAINER Vaibhav Bhembre <vaibhav@digitalocean.com>
  
  ENV GOROOT /goroot
  