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Performance Monitoring Backend and Frontend Using Micrometer

The Micrometer library is extremely useful. In this presentation, we'll review the basics of recording metrics as well as give an intro to the Prometheus and Grafana backends and dashboarding.

After the introductory points, we'll step back to see what story we want our monitoring to tell us along with alerting. We'll dig into some of the metrics offered by Hystrix, Resilience4J, and RestTemplate via Micrometer to understand how our system's health is, along with tips for making Spring Actuator's HealthIndicator beans useful as Micrometer alerts.

Lastly, we'll look at how we could get some simple frontend metrics by funneling metrics from an Angular application back to our Micrometer backend.