Sales Ledger Manager

A lightweight and efficient Next.js based sales tracking web application that helps manage customer-wise and product-wise sales data using invoice inputs — deployed and hosted on Vercel.

🚀 Features

• Invoice-Based Entry
  • Seamlessly record sales through structured invoice data.
• Customer Account Management
  • Auto-creates a sales page for new customers
  • Updates existing customers with new invoices
• Detailed Customer History View
  • Browse full sales history per customer including every invoice and transaction.
• Product-Wise Sales Analytics
  • Easily track sales per product and spot top-performing items.

🛠️ Built With

• Next.js – React framework with built-in backend API support
• API Routes – Built-in backend handling for data & logic
• MongoDB – Backend database
• Modular MVC Pattern – Clean backend structure for scalability
• Environment Variables – .env.local for DB & secret credentials

☁️ Vercel Deployment

Sales Ledger Manager is deployed on Vercel for seamless hosting and continuous deployment.

💻 Benefits of Vercel Integration:

• Automatic deployments with Git integration
• Built-in CI/CD pipeline
• Serverless functions for backend API routes
• Global CDN for fast loading
• Environment variable management
• Easy preview deployments for testing

🚀 Deployment Instructions:

1. Push your code to GitHub, GitLab, or Bitbucket
2. Import your repository in Vercel:

   https://vercel.com/import
   

3. Add environment variables:
   • MONGODB_URI: Your MongoDB connection string
   • Add other required secrets
4. Deploy with a single click
5. Your app will be live at your-project-name.vercel.app

🛠️ Development Workflow:

# Install dependencies
npm install

# Run development server
npm run dev

# Build for production
npm run build

# Start production server locally
npm start

🤝 Contribute

Feel free to fork, contribute, or raise issues if you have ideas, suggestions, or improvements. Let's build something awesome together! 💪