anchor.diff:          libnss3 \
           libxss1 \
           > /dev/null
  +
   
   WORKDIR /home/jovyan
   
  
positive.code: RUN bash /tmp/bio1b-packages.bash 
  
  # install ib134L packages
  COPY ib134-packages.bash /tmp/ib134-packages.bash
  RUN bash /tmp/ib134-packages.bash
  
negative.code: RUN apt-get update -qq --yes > /dev/null && \
      apt-get install --yes -qq \
          libpython2.7 > /dev/null
  
  # libraries required for mothur 
  # libreadline6 required
  RUN apt-get update -qq --yes > /dev/null && \
      apt-get install --yes -qq \
      libreadline6-dev > /dev/null
  
  # Install these without 'recommended' packages to keep image smaller.
  # Useful utils that folks sort of take for granted
  