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Reverse proxy without a single point of failure (lemmy.sdf.org)

submitted 1 day ago by victory@lemmy.sdf.org to c/selfhosted@lemmy.world

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I'm thinking of expanding my homelab to support running some paid SaaS projects out of my house, and so I need to start thinking about uptime guarantees.

I want to set up a cluster where every service lives on at least two machines, so that no single machine dying can take a service down. The problem is the reverse proxy: the router still has to point port 443 at a single fixed IP address running Caddy, and that machine will always be a single point of failure. How would I go about running two or more reverse proxy servers with failover?

I'm guessing the answer has something to do with the router, and possibly getting a more advanced router or running an actual OS on the router that can handle failover. But at that point the router is a single point of failure! And yes, that's unavoidable... but I'm reasonably confident that the unmodified commodity router I've used for years is unlikely to spontaneously die, whereas I've had very bad luck with cheap fanless and single-board computers, so anything I buy to use as an advanced router is just a new SPOF and I might as well have used it for the reverse proxy.

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[–] WagyuSneakers@lemmy.world -1 points 6 hours ago (1 children)

That's not the point. Its unprofessional. Someone is going to smash and grab OPs idea and actually have the skills to host it properly. Probably at a fraction of the cost because OP doesn't understand that hosting SaaS products out of his house isn't professional or effective.

Also; cloud is cheaper than self hosting at any small amount of scale. This wouldn't cost much to run in AWS if built properly. The people who struggle with AWS costs are not professionals and have no business hosting anything.

[–] possiblylinux127@lemmy.zip 1 points 4 hours ago

This is so true. You can't expect your home server to ever be compatible to enterprise setups. Companies who have stuff on prem are still paying for redundant hardware and software which requires money and skill to maintain.