Nuxt/docs/7.migration/11.server.md

title	description
Server	Learn how to migrate from Nuxt 2 to Nuxt 3 server.

In a built Nuxt 3 application, there is no runtime Nuxt dependency. That means your site will be highly performant, and ultra-slim. But it also means you can no longer hook into runtime Nuxt server hooks.

:read-more{to="/docs/guide/concepts/server-engine"}

Steps

1. Remove the render key in your nuxt.config.
2. Any files in ~/server/api and ~/server/middleware will be automatically registered; you can remove them from your serverMiddleware array.
3. Update any other items in your serverMiddleware array to point to files or npm packages directly, rather than using inline functions.

:read-more{to="/docs/guide/directory-structure/server"} :read-more{to="/docs/guide/going-further/hooks#server-hooks-runtime"}