examples improvement - hardened, joomla, kubernetes, load-balancer and moodle

examples/joomla/README.md

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+# Joomla
+
+Joomla is a free and open-source content management system (CMS) for publishing web content on websites. Web content applications include discussion forums, photo galleries, e-Commerce and user communities and numerous other web-based applications. More info on the official [website](https://www.joomla.org/) and [repository](https://github.com/joomla/joomla-cms).
+
+## Architecture
+
+<img src="https://github.com/bunkerity/bunkerized-nginx/blob/dev/examples/joomla/architecture.png?raw=true" />
+
+## Docker
+
+See [docker-compose.yml](https://github.com/bunkerity/bunkerized-nginx/blob/master/examples/joomla/docker-compose.yml).