helm-external-secrets/docs/snippets/manifest-advanced-path.yaml

{% raw %}
apiVersion: external-secrets.io/v1
kind: ExternalSecret
metadata:
  name: custom-resource-config
spec:
  refreshInterval: 1h0m0s
  secretStoreRef:
    name: vault-backend
    kind: SecretStore
  target:
    name: app-settings
    manifest:
      apiVersion: config.example.com/v1
      kind: AppConfig
    template:
      engineVersion: v2
      templateFrom:
      - literal: |
          host: {{ .dbHost }}
          port: {{ .dbPort }}
          credentials:
            username: {{ .dbUser }}
            password: {{ .dbPassword }}
        target: spec.database
      - literal: |
          level: info
          format: json
        target: spec.logging
  data:
  - secretKey: dbHost
    remoteRef:
      key: database/host
  - secretKey: dbPort
    remoteRef:
      key: database/port
  - secretKey: dbUser
    remoteRef:
      key: database/username
  - secretKey: dbPassword
    remoteRef:
      key: database/password
{% endraw %}