Similar with httpbin(https://httpbin.org/) to test the grpc connection.
- install ingress-nginx
- deploy grpcbin with ingress
- port-forward ingress-nginx-controller to localhost
kubectl port-forward --namespace=ingress-nginx service/ingress-nginx-controller 8080:80- test grpcbin with host
grpcbin unary --message hello --host=grpcbin.example.com --port=8080