Chapter 4: Understanding Helm Charts

Here are some answers to the questions presented in this chapter:

1. YAML is the format most commonly used, though JSON can be used alternatively.
2. The three required fields are apiVersion, name, and version.
3. Values from a chart dependency can be referenced or overridden by placing desired dependency values in a map whose name is equal to the name of the dependency chart. Values can also be imported using the import-values setting, which can be used to allow dependency values to be referenced using a different name.
4. You can create an upgrade hook to ensure that a data snapshot is taken before running the helm upgrade command.
5. You can provide the README.md file to provide documentation for your chart. You can also create the templates/NOTES.txt file, which can dynamically generate release notes upon installation. Finally, the LICENSE file can be used to provide legal information.
6. The range action allows chart developers to...