The web UI of the Prometheus server is very limited and in most cases is used just for performing basic ad hoc queries and checking the configuration. To create more advanced visualizations of the data in Prometheus, you can use Grafana (https://grafana.com/), which is an open source analytics and monitoring solution with support for multiple databases. In the previous sections, we have already deployed Grafana using a Helm chart together with Prometheus.
Grafana offers multiple ways to visualize your monitoring data—ranging from simple line charts and gauges to complex heatmaps. You can find more information about how to create the visualizations in the official documentation: https://grafana.com/docs/grafana/latest/. For our application, we will demonstrate how to configure an example dashboard with the following visualizations...