Declarative vs programmatic IaC

What is the difference between declarative and programmatic approach for developing your Infrastructure as Code? Why it matters and when you should use each?

Best practices for writing good Infrastructure as Code when using AWS CloudFormation, AWS SAM, AWS CDK, Pulumi, Terraform, SST, Serverless Framework, etc.

Quick demo to showcase the power of AWS CDK constructs, and how to deploy cloud infra from a frontend framework (SST + Astro).