helm-external-secrets/docs/snippets/vault-pushsecret.yaml

apiVersion: v1
kind: Secret
metadata:
  name: source-secret
  namespace: default
stringData:
  source-key1: "{\"foo\":\"bar\"}" # Needs to be a JSON
  source-key2: bar  # Could be a plain string
---
apiVersion: external-secrets.io/v1alpha1
kind: PushSecret
metadata:
  name: pushsecret-example
  namespace: default
spec:
  refreshInterval: 10s
  secretStoreRefs:
    - name: vault-secretstore
      kind: SecretStore
  selector:
    secret:
      name: source-secret
  data:
    - match:
        secretKey: source-key1
        remoteRef:
          remoteKey: vault/secret1
    - match:
        secretKey: source-key2
        remoteRef:
          remoteKey: vault/secret2
          property: foo