- Container based workflows are the same in CI and locally (you can run containers too), they become one-liners
- Remote caching out of the box without extra steps
- Multiple language SDKs, unlocks the DAG in BuildKit and containers, real reuse
- Obfuscates secrets from your logs and agents. I've built an agent environment on Dagger, which also includes forking and time travel)
tl;dr - Dagger gives you SDK access to BuildKit and container based DAGs for building or anything else.
v1-beta just released yesterday: https://dagger.io/blog/dagger-10-beta/
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edit: they are replacing BuildKit (for good reasons) and that is already out https://dagger.io/changelog/theseus/
I'm gearing up for a major rewrite, there is a lot of cruft in there from nearly 10 years of my experiments and explorations :]