How application performance monitoring metrics helps developers

What this post added

This post introduces and details GitLab Metrics, a feature powered by Prometheus for monitoring Kubernetes clusters and custom application metrics. It explains how to use it as a managed application within GitLab or by pointing to an external Prometheus instance. Key capabilities include default and custom metrics, alerts, visualization of deploys on metrics charts, and custom dashboards. The post also highlights GitLab's internal dogfooding of this capability, with the goal of eventually replacing Grafana.