Deploying Backstage on Kubernetes with the Helm Chart: The Infrastructure-First Guide

Who this is for: Engineers deploying Backstage on Kubernetes via the official Helm chart who want a working portal, not just a running pod. This guide starts where most tutorials end — after helm install succeeds but before anything actually works. A few weeks ago I published an article called "Nine Ways Backstage Breaks Before Your Developer Portal Works". A Backstage maintainer read it and gave me structured feedback. The core of it was this: several of the failures I documented were caused by not following the official getting-started documentation before using the Helm chart, and by using the demo image as if it were a production-ready base. They were right. This article is the follow-up they suggested — and the one I should have written first. It does not repeat the previous article. It starts earlier, goes deeper on Helm-specific configuration, and correctly attributes failures to their actual causes rather than blaming Backstage for things that are ArgoCD, Traefik, or operator e