anchor.diff:      ldconfig && \
       cd /tmp && \
       rm -rf /tmp/geos-3.7.1 /tmp/geos-3.7.1.tar.bz2
  +
   
   # Install and configure PROJ.4
   #
  
positive.code:     ldconfig
  
  
  # Working directory
  #
  WORKDIR /app/backend
  
  
  USER 1001
negative.code:     && make install && \
      ldconfig && \
      rm -rf /tmp/proj-5.2.0 /tmp/proj-5.2.0.tar.gz /tmp/proj-datumgrid-north-america-1.1.tar.gz
  
  
  # Install and configure GDAL
  # (without SFCGAL as we aren't using "CREATE EXTENSION postgis_sfcgal;")
  