anchor.diff:  RUN apt-get install -y docker-ce
   
   RUN curl -o go.tar.gz https://storage.googleapis.com/golang/go1.10beta1.linux-amd64.tar.gz
  -RUN tar -xzf -C /usr/local go.tar.gz
  +RUN tar -C /usr/local -xzf go.tar.gz
   RUN rm go.tar.gz
   
   ENV GOPATH=/opt
  
positive.code: MAINTAINER Kyle Shannon <kyle@pobox.com>
  
  USER root
  
  RUN apt-get update
  RUN apt-get install -y \
  
negative.code: 
  EXPOSE 8888
  
  CMD ["godoc", "-http=:8888"]
  