> CDK is just another way of expressing the same things as terraform and cloudfront but using a framework which is opaque.

It also involves writing many, many less lines of code than Cloudformation/Terraform thanks to the excellent abstractions it bundles in. Your example of writing "2 days' worth of YAML" is less than 120 lines of Typescript in CDK. You could even skip that and just npm install the AWS solutions construct for this scenario if you have literally no idea what you're doing: https://docs.aws.amazon.com/solutions/latest/constructs/aws-...