Continuously Deliver Changes to AWS CloudFormation Stacks with AWS CodePipeline

You can now apply continuous delivery practices to your AWS CloudFormation stacks using AWS CodePipeline. AWS CodePipeline is a continuous delivery service for fast and reliable application and infrastructure updates. CodePipeline builds, tests, and deploys your code every time there is a code change, based on the release process models you define.  
Quelle: aws.amazon.com