No judgement on what you’re doing online. In your case, don’t download untrusted files, stream where you can. For all users, whether on the black seas or not, you should as a matter of habit use uBlock Origin in your browser, turn on the filterlists for security, ads, annoyances in particular.

Looks interesting, bookmarking to try this out.

Is it fair to say Webmesh is your open source version of Nord VPN’s Meshnet? https://meshnet.nordvpn.com/

As others have commented, Nextcloud provide an all-in-one docker set up. I managed to follow the instructions and get it working.

However, in the end, I wanted this to replace my Dropbox subscription, and my files and reliable access to them are important to me. Given that, and my relatively low skill level, I didn’t want to futz with troubleshooting failed updates and server issues, so I just went with a Hetzner storage share, which is their managed nextcloud subscription: https://www.hetzner.com/storage/storage-share

I had the same problem - this extension saved my RAM: https://addons.mozilla.org/en-GB/firefox/addon/auto-tab-discard/