Helm is the package manager for Kubernetes and despite its critics (mostly complaining about its templating language), remains the standard way to distribute and configure Kubernetes applications. The practical reason: the Helm Hub contains charts for virtually every application you'll ever want to deploy on Kubernetes — Postgres, Redis, Kafka, Elasticsearch, cert-manager, ingress-nginx. Understanding Helm means understanding three things: chart structure (templates + values), the release lifecycle (install/upgrade/rollback), and values override patterns. The nuanced take: Helm is best for consuming third-party charts. For your own applications, kustomize (or just plain manifests with ArgoCD) often produces more maintainable results.
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