Dynamic Looping Comes to AWS SAM (opens in new tab)

AWS SAM CLI, the command-line tool for building and deploying serverless applications, now supports AWS CloudFormation Language Extensions. The one I am most excited about is Fn::ForEach, which brings dynamic looping to your YAML templates, but it's close. If you, like me, have been copy-pasting resource definitions to infinity, that stops today. ForEach is the star, but it ships alongside Length, ToJsonString, FindInMap with default values, and conditional deletion policies. All of them work...