Readers who are unfamiliar with SST would do well to read a bit about the project, the backing company, and the work they've been doing. Things have come around full-bore from serverless-only on AWS via CDK, putting huge effort into trying to make CDK fast and seamless, realizing they needed to support more than AWS and that CDK/CF are just too slow, transitioning into a Pulumi backend, supporting other clouds, and now, containers.
SST is great because they built a model for infra-as-code that gives sensible defaults out-of-the-box while preserving enormous flexibility as the architecture grows, plus great conventions around giving code access to the environment details via bindings.
Super excited to play with this.