Is HN employing TikTok style algos now?!
Literally have been discussing with our devs what we can use that's as off the shelf as possible for a HN style community.
They said it would be best if it was built with RoR. I see this post randomly when I can't sleep at midnight.
You might want to take a look at this project as well: https://github.com/lobsters/lobsters
It's the software that runs https://lobste.rs/ - a smaller community, similar to HN.