this post was submitted on 10 Nov 2024
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Hello everyone!

My friend and I have each bought an optiplex server. Our goal is to selfhost a web app (static html) with redundancy. If my server goes down, his takes over and vice versa. I've looked into Docker Swarm, but each server has to be totally independent (each runs its own apps, with a few shared ones).

I can't find a solution that allows each server to take over and manage loadbalancing between the two. Ideally with traefik, because that's what we're currently using. To me the real issue is the DNS A record that point to only one IP :(

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[–] [email protected] 10 points 2 weeks ago

If you don't want to mess with another VPS you can use a global server load balancer (GSLB) provider like Akamai, Cloudflare, Azure, etc.

This being a self-host community though it's unlikely you'd want to pursue something like this, but without knowing more about your specific use case it's tough to make a recommendation.

If global high-availability is your primary goal then a hosted solution is probably best.

If this is just an exercise you and your friend are working on for giggles and it's not for a mission-critical Production instance, then presumably self-hosting a load-balancer on each of your servers that includes both nodes in a target group would achieve this, though somewhat counterintuitive; if the website goes down at either location, I would imagine there's a pretty high likelihood the LB itself would be down as well.