anchor.diff:  # Dockerfile that contains Unidata Python and ancillary technology (e.g.,IPyNB)
   
  -FROM ubuntu
  +FROM ubuntu:15.10
   
   MAINTAINER Julien Chastang <chastang@ucar.edu>
   
  
positive.code:     matplotlib cartopy OWSLib siphon MetPy xray pyzmq jinja2 tornado \
      jsonschema networkx
  
  RUN conda install -n unidata --yes --quiet binstar
  
  RUN mkdir -p /home/python/work
  
  
negative.code: 
  # Install some Linux packages
  
  RUN apt-get install -y curl git bzip2
  
  # In case the user wants to run a IPyNB
  
  