TL;DR: I ran ./launcher rebuild app and then my forum broke. The problem ended up being a theme component that had been working. I don’t really understand the issue beyond that, but I’m posting in case my experience may be helpful to others. Setup I’m hosting discourse on a Digital Ocean Discou…

Found the problem and fixed here: Topic List Thumbnails Theme Component - #246 by awesomerobot

502 and then empty forum after `./launcher rebuild app`

pfaffman (Jay Pfaffman) May 9, 2022, 4:13pm 4

A better place is in the topic for the theme component. It’s not a discourse bug, so it’s not a bug.

Topic List Thumbnails

Topic		Replies	Views
Site broken due to CloudFlare Rocket Loader Support	15	1499	October 19, 2018
After update, all the forum is disappeared but the bottom image (SOLVED) Installation	17	773	January 10, 2020
Blank website after update Support	14	1563	August 26, 2020
Attempted to update Discourse, frontpage now errors Support	3	963	July 23, 2016
Forum shows Oops message Installation	28	3014	October 10, 2023