Yes, systemd does that. But as you wrote, it will queue network calls. The nice thing with the method I suggest above is that both Go processes, the old one and

Yes, systemd does that. But as you wrote, it will queue network calls. The nice thing with the method I suggest above is that both Go processes, the old one and the new one, can be both serving requests in parallel, as they can share the same SQLite file, which makes it really zero-downtime.