Understanding Terraform provisioners

In this section, we are going to talk about Terraform provisioners. Let's try to understand them with an example. Suppose you are working with one of your colleagues, Mark. You have both been given a task to deploy a complete enterprise infrastructure in Microsoft Azure that contains almost 10 Ubuntu servers, 10 virtual networks, 1 subnet per virtual network, and 5 load balancers, and all these virtual machines should have Apache installed by default before handing over to the application team. Mark suggests that in order to have Apache installed on all those servers, you can use Terraform provisioners. Now you're thinking, what is this Terraform provisioner and how can we use it?

Let's try to understand Terraform provisioners. Suppose you are creating some resources and you need to run some sort of script or operations that you want to perform locally or on the remote resource. You can fulfill this expectation using Terraform...