# Installation

1. Install the package from PyPi:

   >     $ pip install django-postgres-extra

2. Add `django.contrib.postgres` and `psqlextra` to your `INSTALLED_APPS`:

   >     INSTALLED_APPS = [
   >         ...
   >         "django.contrib.postgres",
   >         "psqlextra",
   >     ]

3. Set the database engine to `psqlextra.backend`:

   >     DATABASES = {
   >         "default": {
   >             ...
   >             "ENGINE": "psqlextra.backend",
   >         },
   >     }

   > Note

   > Already using a custom back-end? Set POSTGRES_EXTRA_DB_BACKEND_BASE to your custom back-end.