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not necessarily a router you don't control, but MetalLB does provide some nice LoadBalancer constructs for a bare-metal deployment. Putting Vyos infront of it is magical!

https://metallb.universe.tf/

K3s uses their own loadbalancer, so yes. It will add extra hops to any of your services if you care about sub-ms latency.

I looked at metalLB, and didn't really fit with what we wanted to do, so YMMV. It's pretty limited unless you control a lot about your IP space.

Why would you need a load-balancer if you only have a single machine?

Because kubernetes says so? Can you run it without a load balancer?

You can use Nodeport instead of loadbalancer. Or use metallb if you insist to have LB so that it’s more closer to real production environments.

“Real production” smh. This is why docs make baremetal second class citizens, people assume something has to be a certain way for it to be “real.”