Product Manager App

A simple full-stack CRUD application built with Spring Boot (backend), Next.js (frontend), and MySQL database.
This project demonstrates a layered architecture with RESTful APIs, JPA/Hibernate, DTOs, and a modern React-based frontend.

Features

• Create, Read, Update, Delete (CRUD) operations for products
• Backend: Spring Boot with Maven, JPA/Hibernate, layered architecture (Controller, Service, Repository, Model, DTO)
• Frontend: Next.js with Tailwind CSS for responsive styling
• Database: MySQL for persistent storage
• CORS support for frontend-backend communication

Tech Stack

• Backend: Java 17+, Spring Boot 3.x, Maven, JPA/Hibernate, MySQL
• Frontend: Next.js (React)
• Database: MySQL

Project Structure

src/
├── main/java/com/products/productmanager/
│ ├── config/
│ ├── controller/
│ ├── dto/
│ ├── model/
│ ├── repository/
│ ├── service/
│ └── ProductManagerApplication.java
└── resources/
├── application.properties
frontend/
├── app/
│ ├── layout.js
│ ├── page.jsx
│ ├── add-product/
│ │ └── page.js
│ └── edit-product/
│ └── [id]/
│ └── page.jsx
└── globals.css

Prerequisites

• Java 17+
• Node.js 16+
• MySQL 8+
• Maven
• npm/yarn

Getting Started

1. Clone the Repository

git clone https://github.com/nipun-munasinghe/productManager-springboot.git
cd productManager-springboot

2. Backend Setup

1. Configure MySQL in src/main/resources/application.properties

spring.datasource.url=jdbc:mysql://localhost:3306/product_db
spring.datasource.username=your_username
spring.datasource.password=your_password
spring.jpa.hibernate.ddl-auto=update

2. Build and run the backend

The backend will start at http://localhost:8080.

3. Frontend Setup

1. Install dependencies

cd frontend
npm install

2. Start the frontend

npm run dev

The frontend will start at http://localhost:3000.

API Endpoints

Method	Endpoint	Description
POST	/api/products	Create a product
GET	/api/products	Get all products
GET	/api/products/{id}	Get a product by ID
PUT	/api/products/{id}	Update a product
DELETE	/api/products/{id}	Delete a product

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Happy coding!
If you have any questions or suggestions, feel free to open an issue or submit a pull request.