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Dagger (https://dagger.io) is a great way to use BuildKit through language SDKs. It's such a better paradigm than Dockerfiles, I cannot imagine going back.

Dagger is by the same folks that brought us Docker. This is their fresh take on solving the problem of container building and much more. BuildKit can more than build images and Dagger unlocks it for you.

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Dagger is quite cool, and we've been doing some collaboration with their new Zenith stuff. We actually have a module where you can route an image build in your Dagger pipeline to Depot and do interesting things with the result as we stage your image in an ephemeral registry [0].

[0] https://github.com/depot/daggerverse/tree/main/depot

I like the idea of Dagger and have been following for a while, but it seems like its tailored to get people to use their Cloud product. eg. Caching.

Is that not the case?

Caching is definitely their product and one of the main benefits.

1. You can get the developer UX improvements without shared caching

2. You can run it in k8s and get shared caches there. I believe it should support any BuildKit caching solutions, and they will help you figure that out in Discord

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