Basic nginx ingress - single route

ingress-simple.yml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: minimal-ingress
  annotations:
    kubernetes.io/ingress.class: nginx
spec:
  ingressClassName: nginx
  rules:
    - http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-service1
                port:
                  number: 80

Routing using a domain locally

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: minimal-ingress
  annotations:
    kubernetes.io/ingress.class: nginx
spec:
  ingressClassName: nginx
  rules:
    - host: rahul.test
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-service1
                port:
                  number: 80

Add domain name in hosts file and point it to your localhost