Understand AWS CloudFormation

- [Instructor] One of the most exciting aspects of AWS…is the many ways in which it allows you to build…and manage your data center via code.…Let's take a look at AWS CloudFormation,…which does just that.…Imagine all of the decisions you make…when you create resources through the AWS console.…Whether you're creating a VPC in Subnets,…EC2 instances or load balancers,…you're taking steps to define the configuration…and set up each in great detail.…The next time you need to create similar resources,…you'll be back to clicking through screens…making those same decisions again.…

It would be great if we could keep a record…and replay those actions.…That's where AWS CloudFormation comes in,…because it lets you capture all those decisions…and encode them via a JSON or YAML template.…For brevity, I'll refer to YAML,…but just know that everything in CloudFormation…can be encoded as either one.…Every AWS resource…that you can create through the web console…has a corresponding YAML format documented by AWS.…For instance, if you want to create a VPC structure,…