kubernetes-guide/docs/chap16/16.8.md

vim ingress-with-auth.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/auth-realm: Please Input Your Username and Password
    nginx.ingress.kubernetes.io/auth-secret: basic-auth
    nginx.ingress.kubernetes.io/auth-type: basic
  name: ingress-with-auth
  namespace: study-ingress
spec:
  ingressClassName: nginx
  rules:
  - host: auth.test.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: ImplementationSpecific