The AWS Serverless Application Model (SAM) Command Line Interface (CLI) announces general availability of esbuild support in SAM CLI. The AWS SAM CLI is a developer tool that makes it easier to build, test, package, and deploy serverless applications. Esbuild, “an extremely fast JavaScript bundler”, links JavaScript ( js , jsx , ts , and tsx ) and CSS dependencies as deployable assets for the web. Starting today, you can now use esbuild in the SAM CLI build workflow for your JavaScript applications.