chart_schema.yaml

name: str()
home: str(required=False)
version: str()
appVersion: any(str(), num(), required=False)
description: str(required=False)
keywords: list(str(), required=False)
sources: list(str(), required=False)
maintainers: list(include('maintainer'), required=False)
icon: str(required=False)
apiVersion: str(required=False)
type: enum('application', 'library', required=False)
engine: str(required=False)
condition: str(required=False)
tags: str(required=False)
deprecated: bool(required=False)
kubeVersion: str(required=False)
annotations: map(str(), str(), required=False)
dependencies: list(include('dependency'), required=False)

---
maintainer:
  name: str(required=False)
  email: str(required=False)
  url: str(required=False)

dependency:
  name: str(required=True)
  version: str(required=True)
  repository: str(required=True)