h level
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: default
  namespace: foo
spec:
  mtls:
    mode: STRICT
---
# A PeerAuthentication that enables mTLS for the httpbin workload, migrated from the Policy
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: httpbin
  namespace: foo
spec:
  selector:
    matchLabels:
      app: httpbin
  # port level mtls set for the workload port 80 corresponding to the service port 8000
  portLevelMtls:
    80