anchor.diff: -FROM ubuntu:14.04
  +FROM ubuntu:16.04
   MAINTAINER "Brian Tingle <brian.tingle@ucop.edu>"
   
   RUN apt-get update -y && \
  
positive.code:     python-pip \
      python-setuptools \
      libcurl4-openssl-dev \
      libfreetype6-dev \
      libjpeg-dev \
      liblcms2-dev \
  
negative.code: ADD thumbnail.py .
  ADD md5s3stash.py .
  
  RUN python -m pip --trusted-host pypi.python.org --trusted-host files.pythonhosted.org --trusted-host pypi.org install -r requirements.txt
   
  EXPOSE 8888
  