36 lines
1.9 KiB
Markdown
36 lines
1.9 KiB
Markdown
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# Attic
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**Attic** is a self-hostable Nix Binary Cache server backed by an S3-compatible storage provider.
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It has support for global deduplication and garbage collection.
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Attic is an early prototype.
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```
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⚙️ Pushing 5 paths to "demo" on "local" (566 already cached, 2001 in upstream)...
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✅ gnvi1x7r8kl3clzx0d266wi82fgyzidv-steam-run-fhs (29.69 MiB/s)
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✅ rw7bx7ak2p02ljm3z4hhpkjlr8rzg6xz-steam-fhs (30.56 MiB/s)
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✅ y92f9y7qhkpcvrqhzvf6k40j6iaxddq8-0p36ammvgyr55q9w75845kw4fw1c65ln-source (19.96 MiB/s)
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🕒 vscode-1.74.2 ███████████████████████████████████████ 345.66 MiB (41.32 MiB/s)
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🕓 zoom-5.12.9.367 ███████████████████████████ 329.36 MiB (39.47 MiB/s)
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```
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## Try it out (15 minutes)
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Let's [spin up Attic](https://docs.attic.rs/tutorial.html) in just 15 minutes.
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And yes, it works on macOS too!
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## Goals
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- **Multi-Tenancy**: Create a private cache for yourself, and one for friends and co-workers. Tenants are mutually untrusting and cannot pollute the views of other caches.
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- **Global Deduplication**: Individual caches (tenants) are simply restricted views of the content-addressed global cache. When paths are uploaded, a mapping is created to grant the local cache access to the global NAR.
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- **Managed Signing**: Signing is done on-the-fly by the server when store paths are fetched. The user pushing store paths does not have access to the signing key.
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- **Scalabilty**: Attic can be easily replicated. It's designed to be deployed to serverless platforms like fly.io but also works nicely in a single-machine setup.
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- **Garbage Collection**: Unused store paths can be garbage-collected in an LRU manner.
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## Licensing
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Attic is available under the **Apache License, Version 2.0**.
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See `LICENSE` for details.
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By contributing to the project, you agree to license your work under the aforementioned licenses.
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