Serve.HostnamePortServeOptions.id

Uniquely identify a server instance with an ID

When bun is started with the --hot flag:

Bun uses this string to hot reload the server without interrupting pending requests or websockets. If not provided, a value is generated. To disable hot reloading, set this value to null.

When bun is not started with the --hot flag:

This string has no effect.