anchor.diff:  # TODO: remove me when apt can find our packages
   RUN echo 91.189.91.26 security.ubuntu.com >> /etc/hosts
   
  -RUN apt-get update --yes
  -RUN apt-get install --yes -qq \
  +RUN apt-get -qq update --yes
  +RUN apt-get -qq install --yes \
               python3.6 \
               python3.6-venv \
               python3.6-dev \
  
positive.code:     locale-gen
  
  # for nbconvert
  RUN apt-get install --yes -qq \
              pandoc \
              texlive-xetex \
              texlive-fonts-recommended \
              texlive-generic-recommended
  
  RUN apt-get install --yes -qq \
              # for LS88-5 and modules basemap
              libspatialindex-dev \
              libgeos-dev \
  
negative.code:             fsl-complete
  
  # install R, packages, and RStudio dependencies
  RUN apt-get -qq install --yes \
              libapparmor1 \
              libgdal-dev \
              libproj-dev \
  