https://akshayd-dev.pages.dev/tags/k8s/ Recent content in K8s on Akshay Deshpande Hugo en-us Thu, 20 Nov 2025 00:00:00 +0000 https://akshayd-dev.pages.dev/posts/prometheus-static-dynamic-scraping-on-eks/ Thu, 20 Nov 2025 00:00:00 +0000 https://akshayd-dev.pages.dev/posts/prometheus-static-dynamic-scraping-on-eks/ <p>This note is a mental model for <strong>how Prometheus discovers and scrapes metrics in Kubernetes</strong>.</p> <p>The lens I want to keep throughout is:</p> <ol> <li> <p><strong>Where will the scrape config file sit?</strong><br> (Prometheus repo vs application repo)</p> </li> <li> <p><strong>In which namespace will the serviceMonitor sit?</strong><br> (and how Prometheus finds it)</p> </li> </ol> <p>At a high level there are two ways to tell Prometheus about a <code>/metrics</code> endpoint:</p> <ol> <li> <p><strong>Static via</strong> in the Prometheus config file.</p> </li> <li> <p><strong>Dynamic via</strong> (CRD from Prometheus Operator) with label‑based discovery.</p>