Could be a fun project to put all the steps outlined in the install guide [1] into a single script which turns a fresh Debian 12 install into a running Reddit instance.
[1] https://github.com/reddit-archive/reddit/wiki/Install-guide
At the risk of beating a dead horse: one could also say "no" to another silo'd instance and instead opt to try running something like Lemmy: https://github.com/LemmyNet/lemmy