Cookiecutter Django, use Postgres + PostGis

gistfile1.txt

You can easy add PostGis following few simple steps:

1. add to `compose\production\django` samewhere in `RUN apt-get update \`
```bash
  && apt-get install -y gdal-bin \
```

2. edit `compose\production\postgres`
change 
`FROM postgres:12.3` 
to 
`FROM postgis/postgis:12-3.0`

3. add to files: `config\settings\base.py` and `config\settings\production.py`
`DATABASES["default"]["ENGINE"] = 'django.contrib.gis.db.backends.postgis'`

P.S.
Tested on https://github.com/pydanny/cookiecutter-django v.3.0.10