Chutney: recipe for a self-hostable Nix cache

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Hey all,

We wanted to self-host a reliable Nix binary cache that scales over 1000 users and our CI at Juspay, so we created chutney to deploy it. We’ve just open-sourced it!

Link to repo: GitHub - juspay/chutney: Reliable Nix Cache Server configuration for self-hosting · GitHub

What is it?

chutney is a NixOS + terranix configuration for easily deploying a reliable, attic-powered Nix binary cache.

While it includes a default terranix configuration for AWS, its core NixOS modules are decoupled, allowing you to deploy on any infrastructure.

Who is using it?

We’re already dogfooding chutney across several of our own open-source projects:

Status

It’s a work in progress. It’s stable for projects currently using it, but needs more battle-testing to be considered production-ready. Track our progress on reliability here: Reliability issues · Issue #17 · juspay/chutney · GitHub

Huge thanks to the contributors of attic, without whom this project wouldn’t be possible.

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