helm-external-secrets/docs/snippets/gitops/crs/clusterSecretStore.yaml

apiVersion: external-secrets.io/v1alpha1
kind: ClusterSecretStore
metadata:
  name: vault-backend-global
spec:
  provider:
    vault:
      server: "https://vault.your-domain.com"
      path: secret
      version: v2
      auth:
        # points to a secret that contains a vault token
        # https://www.vaultproject.io/docs/auth/token
        tokenSecretRef:
          name: "vault-token-global"
          key: "token"
          namespace: external-secrets