Getting Error: Cannot find module 'x' after building nodejs

I build nodejs with npm run build This is my scripts in package.json file

"scripts": {
    "build": "tsc",
    ...
}

Now its build in ../dist/server folder.

When i run node index.js, its getting

Cannot find module 'express'

When i installed express using npm i express, and run again, its getting

Cannot find module 'mongoose'

So, none of the dependency packages are installed on build!! Why is this?!

This is my tsconfig.json file. Incase you need