ingress2.yaml

apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: calc-ingress
  namespace: openfaas
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/rewrite-target: "/function/openfaas-calc-api.openfaas-fn/calc/$1"
    nginx.ingress.kubernetes.io/use-regex: "true"
spec:
  rules:
  - http:
      paths:
      - path: /calc/(.*)
        backend:
          serviceName: gateway
          servicePort: 8080