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I'm torn between https://k0sproject.io and https://k3s.io to use in CI and production.

Any suggestions or personal experience?

I'm a fan of k3s. Mostly because Rancher Desktop, but there are more useful features, like a full k3s distribution within a single docker container. It includes some nice QoL features, like pre-loading images from a mounted folder. Great for CI.

k0s is especially easy to deploy thanks to k0sctl, whether it's single node clusters, or multi node clusters. I haven't looked back ever since I started using it.

I love kind! Used it a lot when I was writing my thesis on Kubernetes schedulers.

Curious to see your thesis!

It's not much, just a simple bachelor thesis https://repositorio.ufsc.br/bitstream/handle/123456789/24495....

I mostly wanted to provide a software/hardware playground for my advisors who were working on their own thesis about algorithms for energy-aware IoT edge deployments.

The TLDR is that you can write algorithms to minimize various parameters within a Kubernetes cluster, like energy consumption.

Literally or figuratively?

What about minikube?

Minikube is more for dev environments than prod. So k0s over it anytime. For dev envs, I adopted KinD, I can even run it in CI for tests.