Improvements

src/models/token.js → src/database/models/token.js

 const mongoose = require('mongoose')
 const bcrypt = require('bcryptjs')
 const jwt = require('jsonwebtoken')
-const User = require('../models/user')
+const User = require('./user')
 
 const tokenSchema = new mongoose.Schema({
     token: {

src/models/user.js → src/database/models/user.js

-const validator = require('validator')
 const mongoose = require('mongoose')
-const bcrypt = require('bcryptjs')
-const jwt = require('jsonwebtoken')
-const ejwt = require('express-jwt')
 const Joi = require('joi')
 
 const userSchema = new mongoose.Schema({

src/endpoints/token.js

-const { Router } = require("express")
-const User = require("../models/token")
-const Token = require('../models/token')
+const Token = require('../database/models/token')
 const bcrypt = require('bcryptjs')
 
 const loginUser = async (req, res, next) => {

src/endpoints/user.js

 const bcrypt = require("bcryptjs/dist/bcrypt")
 const { Router } = require("express")
-const User = require("../models/user")
+const User = require("../database/models/user")
 
 const getUsers = async (req, res, next) => {
     try {

src/middleware/auth.js

 const jwt = require('jsonwebtoken')
-const User = require('../models/user')
 
 const auth = async (req, res, next) => {
     try {

src/routes/user.js

 const express = require('express')
-const User = require('../models/user')
 const endpoints = require('../endpoints/user')
 const router = new express.Router()
-const app = express()
 
 /**
  * @openapi

src/server.js

 const cors = require('cors') //Cross-origin resource sharing
 const helmet = require('helmet') //Basic protection against attacks like XSS
 const config = require('config') //Default configuration file
-const { json } = require('express')
+
+//console.log(config.util.getEnv('NODE_ENV'))
 
 const swaggerOptions = {
     swaggerDefinition: {