Create Implementing a Custom Termination Policy in AWS ASG to Terminate the Oldest Instance

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This article explores customizing AWS Auto Scaling Group (ASG) termination policies to consistently terminate the oldest instance, addressing limitations in default ASG settings where instance distribution across Availability Zones can override age-based termination logic. It presents a solution integrating a Lambda function with CloudFormation for streamlined deployment and operational efficiency, ensuring predictable and manageable scaling activities.

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