Adding readme documentation for Grafana

README.md

@@ -42,6 +42,33 @@
    sudo docker run -d -p 5003:5003 xpokorn8/sprachschulsystem:mail
     ~~~
 
+# Metrics and Monitoring Dashboards
+Our application uses Prometheus and Grafana to collect metrics and display them.
+By running the app using commands for Running the modules using docker-compose mentioned above
+Prometheus and Grafana containers are also launched. 
+
+You can find the **Prometheus** interface on
+http://localhost:9090
+
+You can find **Grafana** interface on http://localhost:3000<br />
+The credentials are:<br />
+**username:** admin <br />
+**password:** admin <br />
+
+In Grafana interface, you can import various dashboards. Our team used and tested https://grafana.com/grafana/dashboards/3662-prometheus-2-0-overview/ board.<br />
+To import the dashboard, follow steps bellow:
+
+![Class Diagram](https://gitlab.fi.muni.cz/xpokorn8/sprachschulsystem/-/raw/M3-observability/docs/grafana01.png)
+Select **+** and **Import** in left menu of the Grafana interface.
+
+![Class Diagram](https://gitlab.fi.muni.cz/xpokorn8/sprachschulsystem/-/raw/M3-observability/docs/grafana02.png)
+Insert **3662** into **Import via grafana.com** and click **Load**.
+
+![Class Diagram](https://gitlab.fi.muni.cz/xpokorn8/sprachschulsystem/-/raw/M3-observability/docs/grafana03.png)
+Select **Prometheus** in the **prometheus** combo box and click **Import**.
+
+![Class Diagram](https://gitlab.fi.muni.cz/xpokorn8/sprachschulsystem/-/raw/M3-observability/docs/grafana04.png)
+The dashboard with metrics data will be displayed.
 
 # Project Description