this post was submitted on 01 Oct 2023
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Selfhosted kubernetes cluster (alien.top)
submitted 2 years ago by Sivarion@alien.top to c/main@selfhosted.forum
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I was thinking about migrating my services to self management k8s cluster, mostly for education purposes. I have some low traffic services running on one dedicated server on Scaleway now - there's some nextcloud, portainer, hastebin (sort of pastebin) mysql database, personal wiki, couple of half-dead blogs, stuff like that. Nothing resources heavy, nothing that needs tight SLA. I plan to add a little of my own software anytime soon, but I don't expect it to be very needy as well.

I'm planning on going with 3 nodes with min. 2 cores and 4 GB of RAM, and an additional service for storage. Does anyone here had experience with self hostes kubernetes? Do you have any advices? Do you think nodes like these are enough or I should upgrade (or downgrade)? Can you reccomend some providers that could offer this setup at low cost?

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[–] timothyclaypole@alien.top 1 points 2 years ago

I’ve three rPi4 8Gb models running K3S with each node being both worker and control plane - works very well and I use keepalived and HAproxy to ensure the control plane remains available if any of the raspberry PIs need to reboot.

I’ve a Helios NAS running NFS for shared storage across all of the nodes.

It’s all reasonably low power but it has enough capacity to run a bunch of containers for media handling etcetera.