external-secrets/docs/snippets/vault-jwt-store.yaml

apiVersion: external-secrets.io/v1beta1
kind: SecretStore
metadata:
  name: vault-backend
  namespace: example
spec:
  provider:
    vault:
      server: "https://vault.acme.org"
      path: "secret"
      version: "v2"
      auth:
        # VaultJwt authenticates with Vault using the JWT/OIDC auth mechanism
        # https://www.vaultproject.io/docs/auth/jwt
        jwt:
          # Path where the JWT authentication backend is mounted
          path: "jwt"
          # JWT role configured in a Vault server, optional.
          role: "vault-jwt-role"

          # Retrieve JWT token from a Kubernetes secret
          secretRef:
            name: "my-secret"
            key: "jwt-token"

          # ... or retrieve a Kubernetes service account token via the `TokenRequest` API
          kubernetesServiceAccountToken:
            serviceAccountRef:
              name: "my-sa"
            # `audiences` defaults to `["vault"]` it not supplied
            audiences:
            - vault
            # `expirationSeconds` defaults to 10 minutes if not supplied
            expirationSeconds: 600