k8s: Building a Custom Metrics Exporter for Kubernetes

· Sujith Quintelier · July 15, 2026, 5:08 a.m.
Kubernetes prometheus Metrics Exporter Go Programming
Summary
This blog post provides a detailed guide on building a custom Prometheus metrics exporter for Kubernetes using Go. It covers the process of packaging it as a container image, exposing it for Prometheus scraping, and verifying the integration. Additionally, it mentions the use of a metrics adapter for integrating with HorizontalPodAutoscaler.
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