process.exit() will exit with code 13

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[X] I have searched existing issues to ensure the bug has not already been reported

3.x

3.x

16.x

Linux

11.0.1

As uncovered by https://github.com/fastify/fastify-vite/pull/65, process.exit() is incorrectly exiting with exit code 13.

This probably means we're exiting in an unsafe one — we should probably do app.close() before.

Run process.exit() after Fastify server started.

Exit code 0

fastify / fastify-vite