Chart Development Tips and Tricks

This guide covers some of the tips and tricks Helm chart developers havelearned while building production-quality charts.

• Know Your Template Functions
• Quote Strings, Don’t Quote Integers
• Using the ‘include’ Function
• Using the ‘required’ function
• Using the ‘tpl’ Function
• Creating Image Pull Secrets
• Automatically Roll Deployments When ConfigMaps or Secrets change
• Tell Tiller Not To Delete a Resource
• Using “Partials” and Template Includes
• Complex Charts with Many Dependencies
• YAML is a Superset of JSON
• Be Careful with Generating Random Values
• Upgrade a release idempotently