i don’t know what your app is doing but what I’ve done in the past is to boot from the sd card and switch it to read only after and use an in-memory tmpfs after

i don’t know what your app is doing but what I’ve done in the past is to boot from the sd card and switch it to read only after and use an in-memory tmpfs after. I’ve hacked this together quite a few times that at some point I’ve put together a little project. maybe check it out: cattlepi.com