add minimal infos

README.md

@@ -1,3 +1,21 @@
-# Ansible
+# DTSV configuration management and application deployment with Ansible
+The infrastructure runs a basic LNPP (Linux + Nginx + PostgreSQL + PHP) stack on two instances.
 
-Ansible
+[**DB instance**](./db.yml)
+* PostgreSQL 15
+
+[**Webserver instance**](./web.yml)
+* Nginx (mainline)
+* PHP 8.1
+* Redis
+
+**Web-Services**
+
+* Nextcloud ([cloud.twirling.de](https://cloud.twirling.de))
+* Wordpress (🚧 under construction 🚧)
+
+**Monitoring System** (🚧 under construction 🚧)
+* node_exporter (basic metrics)
+* systemd_exporter (nextcloud systemd metrics)
+* nginx_exporter (nginx metrics)
+* php-fpm_exporter (php-fpm metrics)