https://docs.djangoproject.com/en/dev/ref/contrib/gis/install/
For Heroku deployment on the heroku-16 stack, set the envvar BUILD_WITH_GEO_LIBRARIES=1
https://docs.djangoproject.com/en/dev/ref/contrib/gis/install/
For Heroku deployment on the heroku-16 stack, set the envvar BUILD_WITH_GEO_LIBRARIES=1