anchor.diff:              texlive-generic-recommended
   
   RUN apt-get install --yes \
  -	        # for data100
  -	        openjdk-8-jdk-headless \
  +            # for data100
  +            openjdk-8-jdk-headless \
               # for LS88-5 and modules basemap
               libspatialindex-dev \
               libgeos-dev \
  
positive.code: # install nbresuse to show users memory usage
  RUN pip install git+https://github.com/data-8/nbresuse.git@2f9144f
  RUN jupyter serverextension enable  --sys-prefix --py nbresuse && \
  	jupyter nbextension     install --sys-prefix --py nbresuse && \
  	jupyter nbextension     enable  --sys-prefix --py nbresuse
  
  # install nbgitpuller
  RUN jupyter serverextension enable  --sys-prefix --py nbgitpuller
  
negative.code: COPY connectors/ds100.bash /usr/local/sbin/connector-ds100.bash
  RUN /usr/local/sbin/connector-ds100.bash
  
  # install jupyterlab
  RUN jupyter nbextension enable --py widgetsnbextension --sys-prefix && \
      jupyter serverextension enable --py jupyterlab --sys-prefix
  