packages required

// dotenv package that loads enviorment variables from .env files to process.env object which is available globally in nodeJS enviorment
1. dotenv = npm install dotenv

2. express = npm install express

3. mongoose = npm install mongoose

4. nodemon = npm install nodemon


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// User Auth packages 

// bcrypt is a hashing function which can hash your passwords in a secure way
1. bcrypt = npm install bcrypt

2. validator = npm install validator

3. JWT = npm install jsonwebtoken