I get what the author is talking about with losing trust in your services when they are unavailable. I have found that a Raspberry Pi 3/4 cluster running k3s utilizing NAS storage has very good uptime and honestly I think my internet service goes down more than my homelab services.
Thanks! I find most of the issues occur during upgrades to services, but that is to be expected.
My internet service is usually more of an issue than most services I run. Though some things take longer to get tweaked and running well and that can cause issues.
Have you played with anything like Istio to secure in-cluster communications? I think Hashicorp Consul can do something similar to encrypt service to service communications.
I looked into it but I felt at the time it was too complex, maybe I’ll look at it again. Currently I am using wireguard for all cluster node-to-node traffic. It seemed like a reasonable tradeoff at the time, but it is at the network layer instead of application, so I really should revisit that at some point.
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