Kubernetes for Serverless Applications

OpenFaaS

Let's start by looking at OpenFaaS. I still have my Google Cloud cluster running, so I will deploy OpenFaaS there using the following command from within the faas-netes folder I cloned in the previous chapter:

$ kubectl apply -f ./faas.yml,monitoring.yml

As you can see, this time I have used just kubectl rather than helm. We can check the services deployed by running:

$ kubectl get services

This will return the following:

The one thing to notice is that by default OpenFaaS uses the NodePort rather than load balancer to expose the gateway service. No problem, you may be thinking to yourself; we can just use the following commands to ...