Home lab with NanoBSD, APU2 and Kubernetes on Raspberry Pi - 0

Home lab. For some time I had been thinking about building a home lab (Kubernetes cluster) with access to and from the internet so I could research and practice with the technologies I care about, using low-power components that are as resilient as possible to power outages (to avoid corruption of storage devices). To get there I reused hardware I had bought at some point simply because it interested me. Without further delay, here is a network diagram of how this lab ended up: