Use Nginx Ingress Controller

After installing the nginx Ingress Controller, create an Ingress object that defines how incoming requests are routed to a Service. 1. Create a file named ingress.yaml with the following content:

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: example-ingress
  namespace: default
spec:
  ingressClassName: nginx
  rules:
    - http:
        paths:
          - pathType: Prefix
            path: /
            backend:
              service:
                name: example-service
                port:
                  number: 80

The manifest defines a single routing rule for one Service. Replace the example values with values for the target service:

Field	Description
`name`	Name of the Ingress object
`namespace`	Namespace where the target Service runs
`ingressClassName`	Name of the IngressClass — `nginx` for the nginx controller
`path`	URL path prefix to match incoming requests
`service.name`	Name of the Service to route traffic to
`service.port.number`	Port exposed by the target Service that receives incoming requests

2. Apply the manifest:

kubectl apply -f ingress.yaml

Expected output:

ingress.networking.k8s.io/example-ingress created

The Ingress object is now active and the nginx Ingress Controller begins routing requests according to the configured rules.

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