Installation of Ingress nginx

Refer: https://github.com/kubernetes/ingress-nginx

Install using baremetal

Refer: https://kubernetes.github.io/ingress-nginx/deploy/#bare-metal

Download script to specific folder

cd <folder-path>
wget https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v0.46.0/deploy/static/provider/baremetal/deploy.yaml

Rename download .yaml file

mv ./deploy.yaml ingress-nginx-controller.yaml

in order to use ingress and assign an external ip address we ned to use Load Balancer instead of NodePort of ingress nginx controller. Update ingress-nginx-controller.yaml with following lines

spec:
  type: LoadBalancer
  externalIPs:
    - <valid-external-ip>

Install ingress controller using following command

kubectl apply -f ingress-nginx-controller.yaml

Above command will create following pods and services

ingress nginx controller is now installed. We can now create ingress object to correctly route traffix to NodePort or ClusterIP services