🧪 Laboratory Inventory Management System (LIMS)

A modern, responsive full-stack web application designed to manage laboratory inventory, streamline stock tracking, and notify users of critical levels. Built with React, Flask, MongoDB, and Docker, LIMS provides secure authentication, real-time dashboards, and alert mechanisms for effective lab resource management.

Status: ✅ Production Ready | License: MIT

🚀 Quick Start

# Clone and navigate
git clone <repo-url>
cd "Lab Inventory Management System"

# Start all services with Docker Compose
docker-compose up --build

# Access the application
Frontend:  http://localhost:4000
Backend:   http://localhost:5000/api

📋 Project Overview

LIMS helps laboratories efficiently manage their inventory by:

✅ Tracking components and stock levels
✅ Managing inward and outward stock movements
✅ Notifying users about low or critical inventory levels
✅ Providing role-based access control
✅ Enabling secure user authentication with bcrypt password hashing
✅ Supporting real-time dashboard and inventory management

Ideal for educational institutions, research labs, and any organization needing robust inventory management.

🛠️ Tech Stack

Layer	Technology
Frontend	React 19, Vite, TailwindCSS, Axios
Backend	Python 3.11, Flask, Gunicorn
Database	MongoDB 7.0
Authentication	JWT, bcrypt (10-round hashing)
DevOps	Docker & Docker Compose
UI Framework	React Router, Lucide Icons

🔒 Authentication System

Features

✅ Email/Password Registration: New users can create accounts with secure bcrypt hashing
✅ JWT Sessions: 24-hour token-based authentication
✅ Role-Based Access: Admin and Staff roles with different permissions
✅ Session Persistence: Automatic login on page refresh
✅ Feedback Messages: Clear success/error notifications
✅ Password Security: Minimum 6 characters, bcrypt 10-round hashing

API Endpoints

POST   /api/auth/register          Register new user
POST   /api/auth/login             Login with email/password
POST   /api/auth/verify-token      Verify JWT token
POST   /api/auth/logout            Logout and invalidate session

📦 Project Structure

Lab Inventory Management System/
├── client/                          # React Frontend
│   ├── src/
│   │   ├── components/              # React components
│   │   ├── pages/                   # Login, Register, Dashboard
│   │   ├── context/                 # AuthContext for state
│   │   ├── utils/                   # Axios API client
│   │   └── constants/               # Sample data
│   ├── Dockerfile
│   └── vite.config.js
│
├── backend/                         # Python Flask Backend
│   ├── app/
│   │   ├── routes/                  # API endpoints
│   │   ├── models/                  # MongoDB models
│   │   ├── services/                # Business logic
│   │   └── utils/                   # Helpers
│   ├── Dockerfile
│   └── requirements.txt
│
├── docker-compose.yml               # Docker orchestration
├── .env                             # Environment variables
└── docs/                            # Documentation

🚀 Getting Started

Prerequisites

Docker and Docker Compose installed
Port 4000 (Frontend), 5000 (Backend), 27017 (MongoDB) available
Git

Installation

Clone the repository

git clone <repo-url>
cd "Lab Inventory Management System"

Create environment file

cp .env.example .env

Start all services

docker-compose up --build

Access the application

Frontend: http://localhost:4000
Backend API: http://localhost:5000/api
MongoDB: mongodb://admin:password@localhost:27017/lims

First-Time Setup

Register a new account
- Visit http://localhost:4000/register
- Create account with email, password (min 6 chars), and name
- Success! → Redirected to dashboard
Login
- Visit http://localhost:4000/login
- Enter your credentials
- Success! → Redirected to dashboard
View Dashboard
- Your name and avatar display in the navbar
- Access inventory, notifications, and user management

✨ Features

🔐 Authentication & Authorization

✅ Secure user registration with email/password
✅ bcrypt password hashing (10 rounds)
✅ JWT token-based sessions (24-hour expiration)
✅ Role-based access control (Admin/Staff)
✅ Session persistence across browser refreshes
✅ Success/error feedback messages

📦 Inventory Management

✅ Add, edit, delete laboratory components
✅ Track component quantities and values
✅ Inward/outward stock movements
✅ Category-based filtering
✅ Search functionality
✅ Color-coded stock status indicators
✅ Supplier tracking

📊 Dashboard

✅ Real-time inventory overview
✅ Total components count and value
✅ Category distribution charts
✅ Low stock alerts
✅ Critical stock warnings
✅ Recent activity logs

🔔 Notifications

✅ Critical stock alerts
✅ Low stock warnings
✅ Outdated inventory notifications
✅ Notification badge with count
✅ Detailed notification view

👥 User Management (Admin Only)

✅ View all users
✅ Manage user roles (Admin/Staff)
✅ Track user activity
✅ Department management

🎨 UI/UX

✅ Responsive design (mobile, tablet, desktop)
✅ Dark/light gradient backgrounds
✅ Success/error feedback messages
✅ Loading states
✅ User profile with auto-generated avatar
✅ Clean, modern interface with Tailwind CSS

🔗 API Endpoints

Authentication

POST   /api/auth/register          Register new user
POST   /api/auth/login             Login with credentials
POST   /api/auth/verify-token      Verify JWT token
POST   /api/auth/logout            Logout

Components

GET    /api/components             Get all components
POST   /api/components             Add new component (Admin)
PUT    /api/components/{id}        Update component (Admin)
DELETE /api/components/{id}        Delete component (Admin)

Transactions

POST   /api/transactions           Record stock movement
GET    /api/transactions/{id}      Get transaction details

Notifications

GET    /api/notifications          Get all notifications
GET    /api/notifications/recent   Get recent notifications
POST   /api/notifications/read     Mark as read

Users (Admin Only)

GET    /api/users                  Get all users
POST   /api/users                  Create new user
PUT    /api/users/{id}             Update user
DELETE /api/users/{id}             Delete user

🐳 Docker Commands

# Start all services
docker-compose up --build

# Run in background
docker-compose up -d --build

# View logs
docker-compose logs -f

# View specific service
docker-compose logs -f backend
docker-compose logs -f frontend

# Stop services
docker-compose down

# Restart service
docker-compose restart backend

# Access MongoDB
docker-compose exec mongo mongosh -u admin -p password

# Check status
docker-compose ps

🗂️ Environment Variables

Create a .env file in the project root:

# Frontend
VITE_API_URL=http://localhost:5000/api

# Backend
FLASK_ENV=production
DEBUG=False
SECRET_KEY=your-secret-key-here
JWT_SECRET=your-jwt-secret-here
JWT_EXPIRATION_HOURS=24
MONGODB_URI=mongodb://admin:password@mongo:27017/lims

# MongoDB
MONGO_INITDB_ROOT_USERNAME=admin
MONGO_INITDB_ROOT_PASSWORD=password

🧪 Testing

Register a Test User

# Via Frontend: http://localhost:4000/register
Email: test@example.com
Password: test123456
Name: Test User

Login

# Via Frontend: http://localhost:4000/login
Email: test@example.com
Password: test123456

API Testing

# Register
curl -X POST http://localhost:5000/api/auth/register \
  -H "Content-Type: application/json" \
  -d '{
    "email": "user@example.com",
    "password": "password123",
    "name": "John Doe"
  }'

# Login
curl -X POST http://localhost:5000/api/auth/login \
  -H "Content-Type: application/json" \
  -d '{
    "email": "user@example.com",
    "password": "password123"
  }'

📚 Documentation

For detailed documentation, see the docs folder:

QUICK_REFERENCE.md - Quick setup and common commands
COMPLETE_SETUP.md - Detailed setup instructions
DOCKER_DEPLOYMENT.md - Docker deployment guide
ARCHITECTURE_OVERVIEW.md - System architecture
START_HERE.md - Getting started guide

⚙️ System Requirements

Docker 20.10+
Docker Compose 1.29+
2GB RAM minimum
500MB disk space
Internet connection for initial setup

🔧 Troubleshooting

Port Already in Use

# Windows - Find process using port
netstat -ano | findstr :4000

# Kill the process
taskkill /PID <PID> /F

MongoDB Connection Error

# Check MongoDB logs
docker-compose logs mongo

# Verify connection string
MONGODB_URI=mongodb://admin:password@mongo:27017/lims

Frontend Not Loading

# Rebuild frontend
docker-compose up -d --build frontend

# Check logs
docker-compose logs -f frontend

Backend API Error

# Check backend logs
docker-compose logs -f backend

# Verify services
docker-compose ps

🚀 Deployment Options

For production deployment, consider:

AWS ECS - Managed container service
Azure Container Instances - Serverless containers
Google Cloud Run - Pay-per-use serverless
Kubernetes - Self-managed orchestration
DigitalOcean App Platform - Simple Docker deployment

See DOCKER_DEPLOYMENT.md for more details.

🤝 Contributing

Fork the repository
Create your feature branch: git checkout -b feature/amazing-feature
Commit changes: git commit -m 'Add amazing feature'
Push to branch: git push origin feature/amazing-feature
Open a Pull Request

📝 License

This project is licensed under the MIT License. See LICENSE file for details.

🙋 Support

📖 Check docs folder for documentation
🐛 Report issues via GitHub Issues
💬 Start a discussion for questions

✨ Changelog

v1.0.0 (Current)

✅ Complete authentication system with bcrypt
✅ Docker containerization
✅ Real-time inventory management
✅ Role-based access control
✅ Responsive UI with Tailwind CSS
✅ MongoDB integration
✅ JWT-based sessions

Built with ❤️ for laboratory inventory management

Name		Name	Last commit message	Last commit date
Latest commit History 16 Commits
.github/workflows		.github/workflows
backend		backend
client		client
.env.example		.env.example
.gitignore		.gitignore
README.md		README.md
docker-compose.yml		docker-compose.yml

IsMohit/Lab-Inventory-Management-System

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