IngressController

Tags:

Nginx IngressController

Prerequisites

Kubernetes Cluster Access
Install Nginx IngressController

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.3.0/deploy/static/provider/cloud/deploy.yaml

Install using Helm

helm upgrade --install ingress-nginx ingress-nginx --repo https://kubernetes.github.io/ingress-nginx --namespace ingress-nginx --create-namespace

Verify IngressController

 kubectl get pods --namespace ingress-nginx

Check the NGINX Ingress controller has been assigned a public Ip address

kubectl get service ingress-nginx-controller --namespace=ingress-nginx

Browsing to this IP address will show you the NGINX 404 page. This is because we have not set up any routing rules for our services yet

Create two deployment

kubectl create deployment myapp01 --image=nginx

kubectl create deployment myapp02 --image=httpd

Create service of type ClusterIp for above two deployment

kubectl expose deployment/myapp01 --port=80
kubectl expose deployment/myapp02 --port=80

Map the IngressController Svc ip in DNS

kubectl get svc -n

Check How many ingressClass are available

kubectl get ingressclass

Create ingress rule

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: name-virtual-host-ingress
spec:
ingressClassName: nginx
rules:
- host: <Change this> myapp01.serverwebpage.com
  http:
    paths:
    - pathType: Prefix
      path: "/"
      backend:
        service:
          name: myapp01
          port:
            number: 80
- host: <Change this > myapp02.serverwebpage.com
  http:
    paths:
    - pathType: Prefix
      path: "/"
      backend:
        service:
          name: myapp02
          port:
            number: 80

Now try to access the application in browser

myapp01.serverwebpage.com
myapp02.serverwebpage.com

if page open your You have been able to set up IngressController.

Now Secure your app using Let us Encrypt and Cert Manager