i love selfhosting :3
this post was submitted on 01 May 2026
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Soooo this is not really true unless you don't trust your kernel. While a VM is more isolated from the host, since a container shares kernel space, that doesn't make it less secure. I.E. isolation does not equal security.
Actual sandbox escape vulnerabilities happen in VMs as frequently as they do in Docker, and while all VMs have a full systems that many exfiltrations can hit (due to a full suite of services running), many docker containers are locked to a user space with only one process running.
@kureta@lemmy.ml if you are running separate Docker networks in compose, I would not recommend switching to VMs. If that kind of isolation is a requirement, add another server and use different SSH keys for it.