overview.
Built InventoryHub, a comprehensive inventory and billing management system with product management, contact management, transaction processing, and real-time analytics dashboards. Features role-based access control, Docker deployment, and modern Shadcn UI.
about.
InventoryHub provides a complete solution for small to medium businesses to manage products, customers, vendors, transactions, and generate insightful reports. Built with Next.js 15 and Node.js, it features real-time inventory updates, secure JWT authentication with RBAC, and Docker support for easy deployment.
technical implementation.
RBAC Architecture
Implemented role-based access control with JWT tokens. Middleware validates permissions at the API route level, ensuring users can only access resources within their assigned roles.
Real-Time Inventory Sync
Built transaction processing that automatically updates inventory counts on purchase/sale events. Used MongoDB transactions to ensure atomicity across inventory and financial records.
key features.
- JWT authentication with role-based access control
- Product management with stock tracking
- Unified contact management for customers and vendors
- Transaction processing with automatic inventory updates
- Real-time dashboards with Recharts visualizations
- Docker and Docker Compose deployment support
screenshots.
Real-time analytics with sales trends and inventory status.
Complete CRUD operations for inventory items with stock tracking.
challenges & solutions.
Challenge: Maintaining accurate inventory counts during concurrent transactions
Solution: Used MongoDB multi-document transactions to atomically update inventory and create transaction records. Implemented optimistic locking with version fields for conflict detection.
Challenge: Generating real-time analytics without performance degradation
Solution: Built aggregated MongoDB queries with proper indexing. Dashboard data is computed on-demand with 30-second caching to balance freshness and performance.