anchor.diff:              fsl-complete
   
   # install R, packages, and RStudio dependencies
  -RUN apt-get install --yes -qq \
  +RUN apt-get -qq install --yes \
               libapparmor1 \
               libgdal-dev \
               libproj-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: # TODO: remove me when apt can find our packages
  RUN echo 91.189.91.26 security.ubuntu.com >> /etc/hosts
  
  RUN apt-get -qq update --yes
  RUN apt-get -qq install --yes \
              python3.6 \
              python3.6-venv \
              python3.6-dev \
  