Deploying kube-prometheus-stack with Helm: a practical guide

Overview kube-prometheus-stack is a widely used Helm chart (maintained by the prometheus-community) that bundles Prometheus Operator, Prometheus, Alertmanager, Grafana, exporters, and the Kubernetes manifests (ServiceMonitors, PrometheusRules, etc.) needed for a complete cluster monitoring stack. This article walks through a pragmatic, production-minded deployment using Helm, explains key configuration points, and shows how to extend the stack to scrape your own applications. Prerequisites A Kubernetes cluster (v1.20+ recommended) with kubectl configured. Helm 3 installed.