🏢 Leave Management System - Backend

This is the backend of the Leave Management System (LMS), built using Node.js, Express, and MongoDB.
It handles user authentication, leave requests, leave balance tracking, and admin leave approvals.

---

🌐 Live API URL

🔗 Live Server: https://leave-management-system-backend.onrender.com

---

⚙️ Tech Stack

• Node.js – Backend runtime
• Express.js – Web framework
• MongoDB + Mongoose – Database
• JWT (JSON Web Token) – Authentication
• bcrypt.js – Password hashing
• dotenv – Environment configuration
• CORS – Secure cross-origin requests

---

🚀 Features

👩‍💼 Employee Features

• Register and login securely.
• Apply for leave (with type, reason, and dates).
• View leave history and status.
• See remaining leave balance in dashboard.

🧑‍💼 Admin Features

• View all employee leave requests.
• Approve or reject leaves.
• Automatically updates employee leave balance upon approval.
• Delete leave requests (with automatic balance adjustment).

---