🛠️ Employee Management System - Backend

This is the backend for the Employee Management System project, built with Node.js and Express. It provides RESTful API endpoints for managing employee data, attendance, and leave records.

🚀 Features

• User Authentication: Secure login with JWT (JSON Web Token) authentication.
• Employee Management: Manage employee details, profiles, and roles.
• Attendance Tracking: Track employee attendance and working hours.
• Leave Management: Handle employee leave requests and records.
• Project Management: Manage project assignments for employees.
• Profile Picture Upload: Employees can upload and update their profile pictures.
• Middleware: To ensure secure Authentication / role-base Authorization of the users

🧰 Tech Stack

• Node.js: The JavaScript runtime used for building the server-side logic.
• Express.js: A fast, unopinionated web framework for Node.js.
• MongoDB: NoSQL database for storing employee, attendance, leave, and project data.
• JWT: JSON Web Tokens used for secure authentication.
• Multer: Middleware for handling multipart/form-data, primarily for profile picture uploads.
• Render: Hosting platform for deploying the backend server.

📂 Environment Variables

The following environment variables should be set in your .env file:

PORT=4000
MONGO_URI=<Your MongoDB URI>
JWT_SECRET=<Your JWT Secret Key>
TZ=<Your Time zone>

📦 Dependencies

• bcryptj:
  For hashing passwords before storing them in the database.
• cors:
  To enable Cross-Origin Resource Sharing.
• dotenv:
  For loading environment variables from .env files.
• express:
  Web framework used for routing and middleware handling.
• jsonwebtoken:
  For generating and verifying JWT tokens.
• mongoose:
  MongoDB object modeling tool for Node.js.
• multer:
  For handling file uploads, including profile pictures.