AWS Cloud Formation Basics - CloudFormation Stack Updates and Change Sets

The video tutorial explains how to perform stack updates using CloudFormation without deleting and recreating resources. It introduces change sets, which allow users to preview proposed changes to a stack and understand their impact on existing resources. The process of creating, uploading, and using change sets is detailed, highlighting the benefits such as maintaining an audit trail and exploring different infrastructure scenarios. Once satisfied with the changes, users can commit them to update their stack.

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