> - Systemd using socket activation (same as Docker compose, it holds HTTP connections while the HTTP service restarts) Nit: it holds the TCP connections while

> - Systemd using socket activation (same as Docker compose, it holds HTTP connections while the HTTP service restarts) Nit: it holds the TCP connections while the HTTP service restarts. Any HTTP-level stuff would need to be restarted by the client. But that’s true of every “zero downtime” system I’m aware of.