this post was submitted on 08 Oct 2025
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How to set up a decentralized game/chat server (sh.itjust.works)
submitted 1 week ago by mnemonicmonkeys@sh.itjust.works to c/selfhosted@lemmy.world
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I've been kicking around the idea of running a server for games and chat woth some of my friends, but worry about everyone getting cut off when there's a disruption.

I've started looking into kubernetes out of curiosity, and it seems like we could potentially set up a cluster with master nodes at 3+ locations to hose whatever game server or chat server that we want with 100% uptime, solving my concerns.

Am I misunderstanding the kubernetes documentation, and this is just a terrible idea? Or am I on the right track?

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[–] passenger@sopuli.xyz 10 points 1 week ago (5 children)

Kubernetes is too much. You could set up a matrix server for chat with jitsi for video meetings. Use element as client. Then add your game server(s).

For matrix/jitsi server setup use this playbook https://github.com/spantaleev/matrix-docker-ansible-deploy

It installs all you need for video, audio, and text chat.

Maybe change the config to be unfederated if you want a private server.

100% uptime is really not feasible so forget that. Even the commercial servers have downtimes.

[–] mnemonicmonkeys@sh.itjust.works 0 points 1 week ago

100% uptime is really not feasible so forget that. Even the commercial servers have downtimes.

What I was thinking of doing was having 2-3 separate boxes distributed between houses and could automatically switch which boxes handles resources when 1 goes down. No individual box would have 100% uptime, but you'd have minimal disruptions when any particular box has issues or needs maintenance.

Unfortunately, it doesn't seem like kubernetes works that way, and I don't know of any software that would. Best bet now is probably to distribute backups between the boxes and manually spin up a secondary box when the primary goes down

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