Enabling VNets in AKS

AKS is a PaaS offering from Microsoft that enables you to use and manage a Kubernetes cluster without actually provisioning your VMs and the configuration on your own. It greatly enhances the productivity of a team and application flexibility, as you do not have to be concerned by the burden of updates, infrastructure, and networking. In this section, I will show you how you can configure a VNet in AKS by leveraging a feature called Azure Container Networking Interface (CNI).

To get ready, you will have to start with an actual Kubernetes cluster. There are a few ways for doing that—either by using the Azure portal or CLI commands. We will focus on using the portal, but I will also add the appropriate commands that you will be able to use. To create a cluster, you can follow these steps:

1. Search for Kubernetes Service in the marketplace and click on the Create button:

Figure 7.18 – Creating a new Kubernetes Service instance

2. You will have to provide...