endpoints “default-http-backend” not found in Ingress resource

You may want add defaultBackend as a part of your Ingress definition like so

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: default-backend-ingress-example
spec:
  defaultBackend:
    service:
      name: hotel-svc
      port:
        number: 80

Environment

minikube version: v1.21.0
kubectl version: v1.20.7