debian

This method is absolutely not recommended for a container accessible with no restraints, as MongoDB 4.4 is very old and no longer contains any security updates. This is however sufficient for homelab requirements, especially as a failover node.

I faced an issue when originally trying to clone containers between proxmox nodes to add high availability to the omada controller (see Proxmox: install omada controller in high-availability). The target node would fail to start with an obscure error: