Compose UI for iOS is pretty new and evolving, so I'd be surprised if there were any reasonable courses for that at this point. There are a few good public examples, but the state of the tech is evolving pretty quickly, so they're of varying "currentness". From memory,
https://github.com/chrisbanes/tivi is (I believe?) Compose UI. A lot of modules, though, so it'll take a bit to figure out how everything connects. We did
https://github.com/touchlab/DroidconKotlin, but that was coded before there were really even tech previews. Had to hack around a lot of image code. Also, it has 2 UI's for iOS. One SwiftUI, and one Compose, switchable. That needs an update, desperately. I would guess
@John O'Reilly has a decent and relatively recent sample, but I've lost track (he has a lot 🙂 ). Keep an eye on coil
https://code.cash.app/multiplatform-image-loading,
https://github.com/coil-kt/coil/issues/842