I dont think there's anything that seamless integrate on keyboards or social/chat apps but you could try to selfhost a booru app and then share the hotlinks to those gifs.
They are mostly known for anime and weeb stuff but for memes and gifs I think the tagging system would work the best so you can quickly search what you want.
If you expect your IT cousin/uncle/brother hosting the family immich/nextcloud to not be a trusted person in regards of bad actors your issue is not exclusive to selfhosting.
Note that most wireguard clients wont re-resolve when the dns entry changes and they will keep silently a failed tunnel so you would have to do some measure to periodically restart the tunnel.
Is x266 actually taking off? With all the members of AOmedia that control graphics hardware (AMD, Intel, Nvidia) together it feels like mpeg will need to gain a big partner to stay relevant.
For an old nvidia it might be too much energy drain.
I was also using the integrated intel for video re-encodes and I got an Arc310 for 80 bucks which is the cheapest you will get a new card with AV1 support.
Depends on how many communities do you subscribe too and how much activity they have.
I'm running my single user instance subscribed to 20 communities on a 2c/4g vps who also hosts my matrix server and a bunch of other stuff and right now I mostly see peaks from 5/10% of CPU and RAM at 1.5GB
I have been running for 15months and the docker volumes total 1.2GBs
A single pg_dump for the lemmy database in plain text is 450M
Make sure to send all the code minified to make it small and easier to review.