I wrote this post based on a solution I provided to a customer. It explains how to set up ephemeral environments for pull requests (PRs) in CI/CD pipelines using containerized AWS Lambda functions. These environments allow teams to preview and collaborate on changes before merging them into the main codebase, reducing costs and improving efficiency. The sample code uses GitHub Actions to build, deploy, and manage a web application in a scalable and low-cost Lambda environment with function URLs. The ephemeral nature ensures that resources are provisioned quickly for testing and de-provisioned after the PR is closed, making this approach ideal for collaborative and cost-effective development workflows.

https://github.com/aws-samples/ephemeral-preview-containers-furl