if you mean running production server locally use next start

I want to execute a code as soon as the server starts

and not execute them anymore

you can execute some code before and after but I don't know how you could execute as soon as the server starts

the thing is that i want to check if the table users exists before to query data in it. I don't want to check it on every queries tho

only once, when the server starts

do you want to implement your checking logic inside the project or can be done with different script?

I would run the script for checking if users table exists and start the server after

well if the script is inside the project, that would be better ig

kinda barbaric to make different scripts for those things, isn't it ?

I don't know how is that possible, sorry

you can organize scripts using bash

If you're using output: "standalone" using node's -r flag would also work

https://nodejs.org/api/cli.html#-r---require-module

node -r script.js server.js