A couple of different ways that I have heard of: * SO_REUSEPORT - not reusing the socket, but allowing multiple sockets to bind to a single port. [1] * Fork

A couple of different ways that I have heard of: * SO_REUSEPORT - not reusing the socket, but allowing multiple sockets to bind to a single port. [1] * Fork / Exec - have a parent process signal the child process to terminate after it has spun up a new version and the new version is accepting connections [2] [1]: https://lwn.net/Articles/542629/ [2]: https://news.ycombinator.com/item?id=9694339