https://github.com/fierycod/holy-lambda

The extraordinary simple, performant, and extensible custom AWS Lambda runtime for Clojure.
https://github.com/fierycod/holy-lambda

aws aws-lambda babashka clojure graalvm java native-image

Last synced: 12 days ago
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The extraordinary simple, performant, and extensible custom AWS Lambda runtime for Clojure.

• Host: GitHub
• URL: https://github.com/fierycod/holy-lambda
• Owner: FieryCod
• License: mit
• Created: 2019-03-29T19:38:44.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2024-04-23T14:45:26.000Z (about 1 year ago)
• Last Synced: 2025-04-03T17:14:17.540Z (21 days ago)
• Topics: aws, aws-lambda, babashka, clojure, graalvm, java, native-image
• Language: Clojure
• Homepage: https://fierycod.github.io/holy-lambda
• Size: 197 MB
• Stars: 342
• Watchers: 13
• Forks: 20
• Open Issues: 11
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md

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The extraordinary simple, performant, and extensible custom AWS Lambda runtime for Clojure.

**Holy Lambda supports multiple backends**

  - [Babashka](https://github.com/babashka/babashka),

  - Native Clojure (GraalVM compiled), 

  - Clojure (much faster than official AWS Java runtime),

## Goals

  - **Low cold starts** - Clojure goes fast on AWS Lambda.

  - **Multiple backends support** - Unified runtime for Clojure.

  - **Minimal API** - Just stuff that gets the job done.

## Non-Goals

  - **Tight integration with deployment tools** - I don't want to do this.

  - **ClojureScript support** - there is no additional value HL may provide for Clojurescript. Use either [nbb](https://github.com/babashka/nbb) or [shadow-cljs](https://github.com/thheller/shadow-cljs) with advanced compilation.

## Companies & Inviduals using Holy Lambda?

  - [nextdoc.io](https://nextdoc.io) - 6 native lambdas: api-gateway custom authorizer, file access control, openapi data source etc.

  - [scalably.ai](https://scalably.ai) - 14 native lambdas: xml transformations, sftp interactions, message routing, encryption etc.

  - [retailic](https://retailic.com/) - native lambda that uses compatibility layer with ring, regular Clojure api on ARM64 

  - [day8](https://www.day8.com.au/)

  

## Extensions

  - [holy-lambda-ring-adapter](https://github.com/FieryCod/holy-lambda-ring-adapter) - Supports running full featured Ring apps on AWS Lambda

## Resources

- [Documentation](https://fierycod.github.io/holy-lambda)

- [HL Builder Images](https://github.com/FieryCod/holy-lambda/pkgs/container/holy-lambda-builder)

- [GraalVM & Clojure](https://github.com/clj-easy/graal-docs)

## Current Version 

[![Clojars Project](https://img.shields.io/clojars/v/io.github.FieryCod/holy-lambda?labelColor=283C67&color=729AD1&style=for-the-badge&logo=clojure&logoColor=fff)](https://clojars.org/io.github.FieryCod/holy-lambda)

## Getting Help 

[![Get help on Slack](http://img.shields.io/badge/slack-clojurians%20%23holy--lambda-97C93C?labelColor=283C67&logo=slack&style=for-the-badge)](https://clojurians.slack.com/channels/holy-lambda)

## License

Copyright © 2021 Karol Wojcik aka Fierycod

Released under the MIT license.