You will realise the full benefits of Prometheus when you have easy access to the metrics you added to your own applications. This section covers adding and using this instrumentation.
In Chapter 3 you will learn how to add basic instrumentation, and what is benefical instrumentation to have.
In Chapter 4 I cover making the metrics from your application available to Prometheus.
In Chapter 5 you will learn about one of the most powerful features of Prometheus and how to use it in instrumentaton.
After you have your application metrics in Prometheus, Chapter 6 will show you how you can create dashboards that group related graphs together.