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we are running k3s on metal in production. works great actually. we use haproxy as ingress and lb.

How stable do you see it ? What's your cluster size? How long has it been running? Any tips for how to approach starting such setup?

we scale up to about 100 machines. We use spot instances EXTENSIVELY. And that configuration was tricky actually. Its been a couple of months now. Works pretty ok.

k3s is actually pretty simple to use now. the tricky part was to integrate with https://github.com/kubernetes/cloud-provider-aws and https://github.com/DirectXMan12/k8s-prometheus-adapter

The hardest part is to get it to work with spot instances. we use https://github.com/AutoSpotting/AutoSpotting to integrate with it.

Wow! Impressive... what are the advantages over EKS? Just cost benefits or others as well?

We want to have the exact same stack running on laptops and cloud. That's the main goal. Everything else is secondary.

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