I've been using dagger.io and it's been really nice to work with.
- runs locally
- has a language server: python, typescript, go, java, OR elixer
- has static typing
- the new caching mechanisms introduced in 0.19.4 are chef's kiss
I do not work for dagger and pay for it using the company credit card. A breath of fresh air after the unceasing misery and pain that is Gitlab and GHA.
I use Dagger as well, since v0.1.2, even worked on the CUE stuff around then with them.
I wouldn't call it a CI system though, but certainly the philosophy that local and CU should be running the same thing saves many hours of frustration.
I'm currently using Dagger to create forkable/rewindable agent sessions and environments (not with their agent nonsense). Dagger is a pretty sweet piece of tech, so many uses for programmatic container layers