Linux.com - https://www.linux.com/news/state-netbooting-raspberry-pis
I’m going to walk you through a few of the pieces involved in net-booting a Raspberry Pi and then talk about the challenges of running cloud native apps on a net-booted RPi.
It’s undeniable – Raspberry Pis capture the imagination of techies of all ages. Combine several Raspberry Pis into a cluster and you now have an x10 or x100 multiplier, but there are some problems with SD Cards. Netbooting is meant to fix this – but there are some limitations to its usefulness.
Read more at Alex Ellis blog