AWS CloudFormation is now integrated with AWS CodeDeploy to allow ECS customers with application or network load balancers to invoke blue/green and canary style deployments when performing application updates. This feature allows customers to configure the incremental traffic migration strategy for their deployments within CloudFormation templates as well as identify CloudWatch alarms to monitor t
![AWS CloudFormation now supports blue/green deployments for Amazon ECS](https://cdn-ak-scissors.b.st-hatena.com/image/square/c4f530e16dfb308a48108c71972db725de90d0d5/height=288;version=1;width=512/https%3A%2F%2Fa0.awsstatic.com%2Flibra-css%2Fimages%2Flogos%2Faws_logo_smile_1200x630.png)