helmlisted

This skill should be used when authoring or maintaining Helm charts — creating charts, writing templates and _helpers.tpl, values.yaml patterns, Chart.yaml, values.schema.json, helm-docs, and library charts. Covers Helm 4 (SSA, WASM, OCI digest), chart CI/CD, OpenShift compatibility, chart security, CRD management, and production templates. NOT for installing or consuming third-party charts.
air-gapped/skills · ★ 3 · DevOps & Infrastructure · score 79

Install: claude install-skill air-gapped/skills

# Helm Charts Create, test, secure, and publish Helm charts. Covers Helm 4 (November 2025), OCI distribution, OpenShift compatibility, and production patterns from Bitnami, Cilium, cert-manager, and ArgoCD. ## Quick Decision Guide | Task | Go to | |------|-------| | Create a new chart from scratch | § Chart Scaffold below | | Structure values.yaml, helpers, labels | `references/chart-structure.md` | | Harden security (SecurityContext, RBAC, NetworkPolicy) | `references/security.md` | | Sign and verify charts (cosign, OCI) | `references/security.md` § Supply Chain | | Make chart work on OpenShift | `references/openshift.md` | | Write tests (unittest, ct, kubeconform) | `references/testing-ci.md` § Testing | | Set up CI/CD (lint, test, release, OCI push) | `references/testing-ci.md` § CI/CD | | Integrate release-please with Helm charts | `references/testing-ci.md` § Release-Please Integration | | Add ServiceMonitor, HPA, persistence, extensions | `references/production-patterns.md` | | Manage CRDs properly | `references/chart-structure.md` § CRDs | | Multi-chart management (Helmfile) | `references/testing-ci.md` § Helmfile | ## Critical Gotchas ### 1. Helm 4 Is Current (Released November 2025) Helm 4.0.0 released at KubeCon November 2025. Current: v4.2.0 (latest patch line v4.1.4 on the 4.1 series). Key changes: - **Server-Side Apply** is default for new installations (existing Helm 3 releases keep client-side apply on upgrade unless `--server-side` is passed) - **OCI