⎈ Helm for Developers
Tutorial Prerequisites Decks ↗ GitHub ↗
Home / Distribution and supply chain
Part 5 3 chapters

Distribution and supply chain

Packaging and SemVer, classic repositories, OCI registries, provenance files and cosign.

Chapter 19

Packaging and repositories

Turn the shipping-service chart into a versioned 1.0.0 archive, index it, and serve it as a classic chart repository you can add, search and install from.

35 minutesRead →
Chapter 20

OCI registries

Push the shipping-service 1.0.0 package to an OCI registry, pull and inspect it, log in, pin an install by digest, and pull a dependency from a registry.

35 minutesRead →
Chapter 21

Provenance and signing

Sign the shipping-service package with a Helm provenance file, verify it on pull and install, then sign the OCI artifact with cosign and watch both checks reject a tampered chart.

40 minutesRead →
← Previous part Multi-service applications Next part → Extending Helm

Helm for Developers

A chaptered, hands-on tutorial for Helm 4: one Python 3.14 (3.15-ready) FastAPI shipping application taken from raw manifests to a signed, GitOps-delivered chart on minikube and OpenShift.

Tutorial

  • Outline
  • Prerequisites
  • Helm 4 tour
  • Roadmap

Reference

  • Helm docs ↗
  • Helm HIPs ↗
  • View on GitHub ↗
  • Issues ↗
Open source · Apache 2.0 Last built 2026-10-08