Comments and threaded replies? (Multi-leveled comments)

Hey all, I’m looking to see if there’s a way to post comments and threaded replies for a forum app I’m building, it would be something like this:

I’ve built it on Adalo and tested it with 80 users or so, but the performance was very poor.
Is there a way to do it on appgyver that’s efficient and won’t impact performance too much?
And what backend would be ideal for this type of thing?

Here is an article explaining on how to do it with react and raills, but I want to ideally use appgyver