wiki v1

$ kubectl patch svc nginx -p '{"spec": {"ports": [{"port": 80}],"type": "NodePort"}}'

$ curl -O https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/provider/baremetal/deploy.yaml

$ vim deploy.yaml
[...]
321   name: ingress-nginx-controller
322   namespace: ingress-nginx
323 spec:
324   clusterIP: fd00::1 <= ADICIONAR
325   ports:
326   - appProtocol: http
[...]
340   type: LoadBalancer <= Alterar de NodePort para LoadBalancer
---
[...]
351   name: ingress-nginx-controller-admission
352   namespace: ingress-nginx
353 spec:
354   clusterIP: fd00::2 <= ADICIONAR
355   ports:
356   - appProtocol: https
[...]

$ kubectl apply -f deploy.yaml
namespace/ingress-nginx created
serviceaccount/ingress-nginx created
serviceaccount/ingress-nginx-admission created
role.rbac.authorization.k8s.io/ingress-nginx created
role.rbac.authorization.k8s.io/ingress-nginx-admission created
clusterrole.rbac.authorization.k8s.io/ingress-nginx created
clusterrole.rbac.authorization.k8s.io/ingress-nginx-admission created
rolebinding.rbac.authorization.k8s.io/ingress-nginx created
rolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created
clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx created
clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created
configmap/ingress-nginx-controller created
service/ingress-nginx-controller created
service/ingress-nginx-controller-admission created
deployment.apps/ingress-nginx-controller created
job.batch/ingress-nginx-admission-create created
job.batch/ingress-nginx-admission-patch created
ingressclass.networking.k8s.io/nginx created
validatingwebhookconfiguration.admissionregistration.k8s.io/ingress-nginx-admission created

$ kubectl get all -n ingress-nginx
NAME                                            READY   STATUS      RESTARTS   AGE
pod/ingress-nginx-admission-create-6nspk        0/1     Completed   0          57s
pod/ingress-nginx-admission-patch-f97d8         0/1     Completed   0          57s
pod/ingress-nginx-controller-7fc8d55869-5gdj4   1/1     Running     0          57s
 
NAME                                         TYPE           CLUSTER-IP   EXTERNAL-IP              PORT(S)                      AGE
service/ingress-nginx-controller             LoadBalancer   fd00::1      2804:694:3000:8000::50   80:32549/TCP,443:31547/TCP   57s
service/ingress-nginx-controller-admission   ClusterIP      fd00::2      <none>                   443/TCP                      57s
 
NAME                                       READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/ingress-nginx-controller   1/1     1            1           57s
 
NAME                                                  DESIRED   CURRENT   READY   AGE
replicaset.apps/ingress-nginx-controller-7fc8d55869   1         1         1       57s
 
NAME                                       COMPLETIONS   DURATION   AGE
job.batch/ingress-nginx-admission-create   1/1           3s         57s
job.batch/ingress-nginx-admission-patch    1/1           3s         57s

$ kubectl create ingress nginx --class=nginx --rule=nginx.juntotelecom.com.br/*=nginx:80 --dry-run=client -o yaml > service.yaml

ingress-nginx.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  creationTimestamp: null
  name: nginx
spec:
  ingressClassName: nginx
  rules:
  - host: nginx.juntotelecom.com.br
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
status:
  loadBalancer: {}

$ kubectl apply -f service.yaml
ingress.networking.k8s.io/nginx created

$ kubectl describe ingress nginx
Name:             nginx
Labels:           <none>
Namespace:        default
Address:          177.75.176.42
Default backend:  default-http-backend:80 (<error: endpoints "default-http-backend" not found>)
Rules:
  Host                       Path  Backends
  ----                       ----  --------
  nginx.juntotelecom.com.br
                             /   nginx:80 ([1100:200::1334:c75d:e2cb:7ec2]:80)
Annotations:                 <none>
Events:
  Type    Reason  Age                From                      Message
  ----    ------  ----               ----                      -------
  Normal  Sync    24m (x2 over 25m)  nginx-ingress-controller  Scheduled for sync

$ kubectl get ingress
NAME    CLASS   HOSTS                       ADDRESS         PORTS   AGE
nginx   nginx   nginx.juntotelecom.com.br   177.75.176.42   80      94s

$ echo "2804:694:3000:8000::50  nginx.juntotelecom.com.br       nginx" | sudo tee -a /etc/hosts

$ curl http://nginx.juntotelecom.com.br
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
 
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
 
<p><em>Thank you for using nginx.</em></p>
</body>
</html>