kube-cascade/external-services/noctowl.yaml

apiVersion: v1
kind: Service
metadata:
  name: noctowl
  namespace: external-services
spec:
  externalName: noctowl.cascade.strudelline.net
  type: ExternalName
  ports:
  - name: http
    protocol: TCP
    port: 5000
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: noctowl
  namespace: external-services
spec:
  ingressClassName: istio
  rules:
  - host: noctowl.strudelline.net
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: noctowl
            port:
              number: 5000
  tls:
  - hosts:
    - noctowl.strudelline.net
    secretName: wildcard-tls