Seeking register function solution

[besscroft]

Hello, Community！

I'm looking for a feature that will allow me to migrate from Next.js to ReactRouter v7. The function will be called once when a new server instance is initiated. See: https://nextjs.org/docs/app/building-your-application/optimizing/instrumentation

[sergiodxa]

This needs to be done in the HTTP server, not in React Router, here's a template for a React Router app with a custom HTTP server https://github.com/remix-run/react-router-templates/tree/main/node-custom-server.