📚 Library Management System - Backend

A backend API for a Library Management System built using Express, TypeScript, Mongoose, and MongoDB, and deployed on Render.
It provides features for Admin and User roles to manage books and borrowing functionality.

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🚀 Live API

Base URL: https://library-management-system-backend-g0s6.onrender.com/

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🛠️ Tech Stack

• Node.js
• Express.js
• TypeScript
• MongoDB + Mongoose

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✨ Features

• Create new books

• View all books/single book

• Update existing books

• Delete books

• Borrow books

• View summary of borrowed books

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📂 API Endpoints Overview

• POST /api/books to Create Book

Example Input:
{ "title": "The Theory of Everything", "author": "Stephen Hawking", "genre": "SCIENCE", "isbn": "9780553380163", "description": "An overview of cosmology and black holes.", "copies": 5, "available": true }

• GET /api/books to View all Books

• GET /api/books/:bookId to View single Book

• PUT /api/books/:bookId to Update Book

Example Input:
{ "copies": 50 }

• DELETE /api/books/:bookId to Delete Book

• POST /api/borrow to Borrow Book

Example Input:
{ "book": "64ab3f9e2a4b5c6d7e8f9012", "quantity": 2, "dueDate": "2025-07-18T00:00:00.000Z" }

• GET /api/borrow to View Borrow Summary

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🧪 Environment Setup

Create a .env file in the root directory and configure the following variables:

# MongoDB
MONGO_URI = your mongodb:url