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Kubernetes with Multiple Paths Express

This repo is all about routing two or more services in Kubernetes cluster by different path. There are two Docker containers deployed in the cluster. Each containers can be access thru different paths, /foo and /bar. Both containers running an image of Express server.

To create the Docker image, you can refer my k8s-basic-express repo. In this repo we will jump into Kubernetes cluster setup.

Create Kubernetes Cluster

Enable Ingress in Minikube

minikube addons enable ingress

Verify NGINX Ingress controller is running

kubectl get pods -n ingress-nginx

The output is similar to

NAME                                        READY   STATUS      RESTARTS    AGE
ingress-nginx-admission-create-g9g49        0/1     Completed   0          11m
ingress-nginx-admission-patch-rqp78         0/1     Completed   1          11m
ingress-nginx-controller-59b45fb494-26npt   1/1     Running     0          11m

Add Service definition into the cluster

kubectl apply -f kube/foo.yaml
kubectl apply -f kube/bar.yaml

Add Ingress definition into the cluster

kubectl apply -f kube/ingress.yaml

Verify the Ingress service

kubectl get service ingress-nginx-controller -n ingress-nginx

Run Ingress using Minikube

minikube service ingress-nginx-controller -n ingress-nginx

References

  1. https://matthewpalmer.net/kubernetes-app-developer/articles/kubernetes-ingress-guide-nginx-example.html
  2. https://kubernetes.github.io/ingress-nginx/deploy/
  3. kubernetes/minikube#13872
  4. https://patroware.medium.com/how-to-direct-different-urls-to-different-services-in-kubernetes-646438ece73a
  5. https://kubernetes.io/docs/concepts/services-networking/ingress/
  6. https://kubernetes.io/docs/tasks/access-application-cluster/ingress-minikube/
  7. https://spacelift.io/blog/kubernetes-ingress