Weekend Project
Build an Order Management System
Go from zero to a production-ready enterprise application in a weekend. Full CRUD, authentication, audit trails, REST API, and admin UI included.
~4
Hours of Work
5
Database Tables
~300
Lines of Code
100%
Production Ready
What You'll Build
Core Tables
- Customers - Contact info, shipping addresses
- Products - SKU, pricing, inventory
- Orders - Status, totals, relationships
- Order Lines - Items, quantities, pricing
- Users - Authentication, roles
Enterprise Features
- Authentication - Login, sessions, security
- Audit Logging - Track every change
- REST API - OpenAPI documentation
- Admin UI - Forms, search, validation
- Workflows - Order status transitions
Your Weekend Plan
1
Saturday Morning: Project Setup
~1 hour
- Create project with Maven archetype
- Configure database connection (PostgreSQL or SQLite)
- Define Customer and Product tables
- Run and verify admin UI works
2
Saturday Afternoon: Core Tables
~1.5 hours
- Define Order and OrderLine tables
- Set up table relationships
- Add validation rules
- Configure possible value sources for status fields
3
Sunday Morning: Enterprise Features
~1 hour
- Enable authentication
- Add audit logging to all tables
- Configure role-based access control
- Set up order status workflow
4
Sunday Afternoon: Polish & Deploy
~30 minutes
- Create sample data
- Test all CRUD operations
- Verify REST API with OpenAPI docs
- Deploy to qRun or your own server
Prerequisites
Required
- Java 21 or later
- Maven 3.8+
- Basic Java knowledge
Recommended
- IntelliJ IDEA or VS Code
- PostgreSQL (or use SQLite)
- Postman or similar API client
Ready to build? Start with the 90-second quickstart to get qqq running, then follow the full tutorial in our documentation.
