- Fix typo in config/env.js: Change jwt_EXPIRES_IN to JWT_EXPIRES_IN
- Fix variable naming in controllers/auth.controllers.js: Change newUsers to newUser
- Remove incorrect default export in controllers/auth.controllers.js
- Use imported PORT variable in app.js instead of hardcoding 3000
- Add missing import for User model in middlewares/auth.middleware.js
- Fix syntax error in middlewares/error.middleware.js: Missing closing brace
- Fix validation property in models/user.model.js: Change MinLength to minLength