Configure AWS Credentials for GitHub Actions Configure your AWS credentials and region environment variables for use in other GitHub Actions. This action implements the AWS JavaScript SDK credential ...

Getting Started suggests shared credentials #142 Open DavidSouther opened on Jun 6, 2024 ...

The SDK supports Amazon’s web identity federation feature (you wouldn’t want to add your AWS credentials in your HTML and JavaScript, after all).

Alas, none had done it -- until yesterday, when Amazon announced their AWS SDK for JavaScript in the Browser. Theoretically, it does for their web services, what Dropbox did for theirs.