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Simple Rails & AWS Lambda Integration using Rack

Lamby: Simple Rails & AWS Lambda Integration using Rack.

Lamby is an AWS Lambda Web Adapter for Rack applications.

We support Lambda Function URLs, API Gateway (HTTP or REST, all payload versions), and even Application Load Balancer integrations.

Quick Start

Full Documentation


Open in GitHub Codespaces

This project is built for GitHub Codespaces using the Development Container specification. Once you have the repo cloned and setup with a dev container using either Codespaces or VS Code, run the following commands. This will install packages and run tests.

$ ./bin/setup
$ ./bin/test

Using VS Code

If you have the Visual Studio Code Dev Container extension installed you can easily clone this repo locally, use the "Open Folder in Container..." command. This allows you to use the integrated terminal for the commands above.

Code of Conduct

Everyone interacting in the Lamby project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.

Bug reports and pull requests are welcome on GitHub at This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.