It’s even abbreviated that way in the official documentation: https://nginxproxymanager.com/advanced-config/

To throw in another alternative to SSH tunnels and WireGuard: rathole

The screenshot looks awesome! I’m currently on vacation and will definitely try it out.

Actually, most of the guests are VMs (instead of LXCs) because many services I host are most easily deployed via Docker Compose and Docker in LXCs requires workarounds I don’t fully understand thr implications of.

Proxmox VE with Alpine Linux guests