FediMeteo, HAProxy, and the art of not wasting snac threads

When I wrote about FediMeteo for the first time, I told the story from the beginning: the idea born almost by chance while checking the weather for a holiday, the memory of my grandfather, who for years had been my personal meteorologist, the decision to build something small and useful, and then the surprise of seeing people actually use it. What began as a personal experiment quickly became a small global service, still running with the same philosophy: FreeBSD, jails, simple scripts, snac, text, emoji, and a lot of small pieces doing their work quietly. That article was mostly about the birth and growth of the project. This one is about one of the less romantic parts of the same story, although I have to admit that I find a certain beauty in it too: keeping the service light as it grows. FediMeteo is still intentionally simple from the outside. A homepage, some numbers, a list of countries, and many ActivityPub accounts publishing weather forecasts. The posts are text and emoji.…