Add django example to the docs

docs/examples/django.rst

@@ -0,0 +1,95 @@
+Django example
+==============
+
+.. meta::
+   :keywords: Python,Dependency Injection,Django,Example
+   :description: This example demonstrates a usage of the Django and Dependency Injector.
+
+
+This example shows how to use ``Dependency Injector`` with ``Django``.
+
+The example application helps to search for repositories on the Github.
+
+.. image:: images/django.png
+    :width: 100%
+    :align: center
+
+The source code is available on the `Github <https://github.com/ets-labs/python-dependency-injector/tree/master/examples/miniapps/django>`_.
+
+Application structure
+---------------------
+
+Application has standard Django project structure. It consists of ``githubnavigator`` project package and
+``web`` application package:
+
+.. code-block:: bash
+
+   ./
+   ├── githubnavigator/
+   │   ├── __init__.py
+   │   ├── asgi.py
+   │   ├── containers.py
+   │   ├── services.py
+   │   ├── settings.py
+   │   ├── urls.py
+   │   └── wsgi.py
+   ├── web/
+   │   ├── templates/
+   │   │   ├── base.html
+   │   │   └── index.html
+   │   ├── __init__.py
+   │   ├── apps.py
+   │   ├── tests.py
+   │   ├── urls.py
+   │   └── views.py
+   ├── manage.py
+   └── requirements.txt
+
+Container
+---------
+
+Declarative container is defined in ``githubnavigator/containers.py``:
+
+.. literalinclude:: ../../examples/miniapps/django/githubnavigator/containers.py
+   :language: python
+
+Container instance is created in ``githubnavigator/__init__.py``:
+
+.. literalinclude:: ../../examples/miniapps/django/githubnavigator/__init__.py
+   :language: python
+
+Views
+-----
+
+View has dependencies on search service and some config options. The dependencies are injected
+using :ref:`wiring` feature.
+
+Listing of ``web/views.py``:
+
+.. literalinclude:: ../../examples/miniapps/django/web/views.py
+   :language: python
+
+App config
+----------
+
+Container is wired to the ``views`` module in the app config ``web/apps.py``:
+
+.. literalinclude:: ../../examples/miniapps/django/web/apps.py
+   :language: python
+   :emphasize-lines: 12
+
+Tests
+-----
+
+Tests use :ref:`provider-overriding` feature to replace search service with a mock ``web/tests.py``:
+
+.. literalinclude:: ../../examples/miniapps/django/web/tests.py
+   :language: python
+   :emphasize-lines: 39,60
+
+Sources
+-------
+
+Explore the sources on the `Github <https://github.com/ets-labs/python-dependency-injector/tree/master/examples/miniapps/django>`_.
+
+.. disqus::

docs/examples/index.rst

@@ -13,5 +13,6 @@ Explore the examples to see the ``Dependency Injector`` in action.
     application-single-container
     application-multiple-containers
     decoupled-packages
+    django
 
 .. disqus::