Deploying to multiple regions

We are now going to start creating StackSet for a single account, but in multiple regions. We will begin with AWS Console.

Using AWS Console

Let's start by deploying StackSet with the core template in a single account (for example, our main account). We'll begin with AWS Console:

1. Once we log in to the console, we will go to CloudFormation - StackSets and click on Create StackSet. We will choose Template is ready, upload our core.yaml file (which you will find in the GitHub repository) and click Next. The template will be uploaded to S3 automatically:
   

   Figure 5.2 – CloudFormation StackSet console

2. Now we need to supply the StackSet name and parameters and hit Next:
   

   Figure 5.3 – CloudFormation StackSet console

   Important note

   We insert parameter values for the StackSet and these parameters will be inherited by stack instances. It is not yet possible to add unique parameters per stack instance during StackSet creation, since...