What about incus, the LXD fork, with the webui? Incus is so simple/logical for managing both VMs and containers (and you can run docker inside of them) and the webui lets you manage it from a browser if desired

I use Obsidian - it’s phenomenal! https://avidandrew.com/elevate-your-note-taking-with-obsidian.html

Rather than a cheap VPS, what about hosting a reverse proxy on fly.io, something like this? https://github.com/AnimMouse/frp-flyapp