Invoice Management_API

�� Invoice Management API - Complete Spring Boot Backend

Production-ready REST API with JWT Authentication, PDF Generation & MySQL Database

🎯 What You Get:

✅ Complete Spring Boot 3.4.5 Backend API

✅ JWT Authentication & Authorization System

✅ RESTful APIs for Invoice Management

✅ PDF Invoice Generation

✅ MySQL Database Integration

✅ Swagger API Documentation

✅ Docker Containerization

✅ Comprehensive Documentation

✅ Ready-to-Deploy Code

🛠️ Technology Stack:

BackendDatabaseSecurityDocumentationSpring Boot 3.4.5MySQL 8.0+JWT AuthenticationSwagger/OpenAPI 3Java 17Hibernate JPASpring SecurityInteractive API DocsMavenConnection PoolingRole-based AccessComplete Setup GuideLombokData ValidationCORS ConfigurationInstallation Manual

�� Perfect For:

• Developers building invoice management systems

• Startups needing a production-ready backend

• Agencies creating custom invoice solutions

• Freelancers offering invoice services

• Businesses automating invoice processes

📊 Core Features:

🔐 Authentication System

• User registration and login

• JWT token-based authentication

• Password encryption and validation

• Role-based access control

�� Invoice Management

• Create, read, update, delete invoices

• PDF invoice generation

• Invoice status tracking

• Customer and product management

💾 Database Operations

• MySQL database integration

• Data validation and sanitization

• Optimized queries and indexing

• Backup and recovery support

🔌 API Endpoints

• RESTful API design

• Comprehensive CRUD operations

• File upload capabilities

• Search and filtering

🚀 Quick Start:

1. Clone the repository

1. Configure MySQL database

1. Update application.yml

1. Run with Maven

1. Access Swagger docs at /swagger-ui.html

💡 Use Cases:

• E-commerce platforms needing invoice generation

• SaaS applications requiring billing systems

• Freelancer platforms for client invoicing

• Business management software

• Custom ERP systems

🔒 Security Features:

✅ JWT Token Authentication

✅ Password Encryption

✅ Role-based Access Control

✅ CORS Configuration

✅ Input Validation

✅ SQL Injection Protection

✅ XSS Prevention

�� What's Included:

• Complete source code with comments

• Database schema and migration scripts

• API documentation (Swagger UI)

• Installation guide (step-by-step)

• Docker configuration for easy deployment

• Testing examples with curl commands

• Production deployment instructions

�� Bonus Features:

• PDF Generation using Apache PDFBox

• File Upload support (max 10MB)

• Search & Filter capabilities

• Pagination for large datasets

• Error Handling with proper HTTP codes

• Logging and monitoring support

💰 Value Proposition:

Save 40+ hours of development time with this production-ready API. Instead of building from scratch, you get:

• Battle-tested code used in real projects

• Comprehensive documentation for easy integration

• Scalable architecture ready for growth

• Security best practices already implemented

• Docker support for easy deployment

🎯 Ready to Build Your Next Big Thing?

This API provides everything you need to create a professional invoice management system. Whether you're building for clients or your own business, this backend will save you weeks of development time.

Perfect for developers who want to focus on their business logic rather than reinventing the wheel.

📞 Support:

• GitHub Issues for technical support

• Documentation included with purchase

• Community access for updates

• Email support for premium buyers

🎉 Special Launch Offer: Get 20% off when you buy today!

This is a digital product. After purchase, you'll receive immediate access to the complete source code and documentation.

Tags: #API #SpringBoot #Java #InvoiceManagement #Backend #REST #JWT #MySQL #PDF #Docker