Add example store secret variables to doc
Example store secret variables with dump-env and Gitlab CI.
@@ -71,6 +71,12 @@ to dump variables from both environment and ``.env`` file template.
Then, this file is copied inside ``docker`` image and when
this image is built - everything is ready for production.
+Example store secret variables with dump-env and Gitlab CI:
+
+#. We add a SECRET_DJANGO_SECRET_KEY variable to Gitlab CI Secret Variables;
+#. Before build in CI dump-env dump SECRET_DJANGO_SECRET_KEY as DJANGO_SECRET_KEY and save it to ``.env`` file.
+#. Now Django use this value in settings.
+
However, there are different options to store secret settings:
- `ansible-vault <https://docs.ansible.com/ansible/2.4/vault.html>`_
