I installed FreeBSD on a OCI arm machine, made two Jail templates (iocage) and deploy everything that way, backup or redeployment to another host is as easy as zfs-send.
Oracle a problem? No, because my Jails can wander to Vultr, Hetzner (yes they sill support FreeBSD) and Amazon andandand, the only change is a DNS one.
Oracle a problem? No, because my Jails can wander to Vultr, Hetzner (yes they sill support FreeBSD) and Amazon andandand, the only change is a DNS one.