Helm Chart Structure Cheat Sheet

Templates, values, and lifecycle hooks

Last Updated: November 21, 2025

Chart Layout

Dir Role
templates/ Kubernetes sources
values.yaml Defaults
Chart.yaml Metadata
charts/ Subcharts

Commands

helm template
Render manifests
helm lint
Validate
helm package
Bundle charts

Hooks

Use hooks sparingly for pre-install jobs and document lifecycle events.

💡 Pro Tip: Keep templates small, validate with helm lint, and document values
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