Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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Absolutely possible.
The key to simple self hosting is to have a dns record that points to your externally accessible IP, whether that be your real one or an external one hosted at a VPN provider.
If that IP changes, you'll need to update it dynamically.
It's becoming increasibly common to be a requirement to do so as CGNat becomes more widespread.
One of the newer ways to do that is with a Cloudflare Tunnel, which whilst technically is only for web traffic, they ignore low throughput usage for other things like SSH.
My knowledge is a little dated and I remember messing around dyndns or noip to update my IP many years ago. I guess a simple script running on the router or the host should suffice?
I personally use a bash script triggered by cron on my server to first determine my external IP address: curl http://v4.ident.me/ then if it differed from the last check, would update one of my dns entries via the godaddy API.
This can be a simple or as complicated as you like.