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REST (Representational State Transfer) is a popular architectural style for building web services that communicate over HTTP using standard methods like GET, POST, PUT, and DELETE.\n\n# 🚀 Spring Boot REST API Example\n\nThis project demonstrates a complete **Spring Boot REST API** using:\n\n- **Spring MVC**\n- **Spring Boot 3**\n- **Spring Data JPA**\n- **Hibernate**\n- **MySQL Database**\n- **Maven**\n- **Postman** for API testing\n- **MVC architecture**\n\n---\n\n## 🧰 Technologies Used\n\n| Technology | Purpose |\n|------------|---------|\n| **Spring Boot** | Framework to quickly build RESTful APIs |\n| **Spring MVC** | Handles HTTP requests via controllers |\n| **JPA (Java Persistence API)** | ORM specification to interact with databases |\n| **Hibernate** | Implementation of JPA |\n| **MySQL** | Relational database used for data storage |\n| **Postman** | API client for testing endpoints |\n| **REST API** | Architectural style for building web services |\n\n---\n\n## 🌐 What is a REST API?\n\nA **REST API** (Representational State Transfer) allows applications to communicate via HTTP using standard methods:\n\n- `GET` → Retrieve data  \n- `POST` → Create new data  \n- `PUT` → Update existing data  \n- `DELETE` → Remove data\n\nAll data is exchanged in **JSON** format.\n\n---\n\n## 🏗️ Project Architecture (MVC Pattern)\n\nThe application follows the **Model-View-Controller (MVC)** architecture:\n\n- **Model** – Represents application data (e.g., User, Product)\n- **View** – Not used directly; API returns JSON responses\n- **Controller** – Handles incoming HTTP requests and routes them to the correct service\n- **Service** – Contains the business logic\n- **Repository** – Communicates with the database using JPA\n\n---\n\n### 📂 Project Structure\n\n        spring-boot-rest-api/\n        ├── src/\n        │   └── main/\n        │       ├── java/\n        │       │   └── com/\n        │       │       └── example/\n        │       │           └── demo/\n        │       │               ├── controller/\n        │       │               │   └── UserController.java        # Handles HTTP requests\n        │       │               ├── service/\n        │       │               │   └── UserService.java           # Business logic\n        │       │               ├── repository/\n        │       │               │   └── UserRepository.java        # JPA repository for DB access\n        │       │               ├── model/\n        │       │               │   └── User.java                  # JPA entity mapped to DB table\n        │       │               └── DemoApplication.java           # Main class to bootstrap app\n        │       └── resources/\n        │           ├── application.properties                     # Configuration (DB, JPA, etc.)\n        │           └── static/                                    # Static files (if any)\n        │\n        ├── pom.xml or build.gradle                                # Project dependencies and plugins\n        └── README.md                                               # Project documentation\n\n\n---\n\n## ⚙️ MySQL Configuration (application.properties)\n\nUpdate the following in your `application.properties`:\n\n- Database URL\n- Username \u0026 Password\n- Hibernate dialect\n- DDL auto mode (e.g., `update`, `create`, `validate`)\n\n---\n\n## 🧪 API Testing with Postman\n\n| Method | Endpoint | Description | Body (JSON) |\n|--------|----------|-------------|-------------|\n| `GET` | `/api/users` | Fetch all users | – |\n| `POST` | `/api/users` | Create a new user | `{ \"name\": \"John\", \"email\": \"john@example.com\" }` |\n| `DELETE` | `/api/users/{id}` | Delete a user by ID | – |\n\nUse **Postman** or **cURL** to interact with these endpoints after running the app.\n\n---\n\n## 📖 Key Concepts\n\n| Term | Description |\n|------|-------------|\n| **JPA** | Java API for managing relational data via ORM |\n| **Hibernate** | Popular implementation of JPA |\n| **Spring Boot** | Framework for rapid application development |\n| **MySQL** | Open-source relational database |\n| **REST** | API style using HTTP methods for CRUD operations |\n| **MVC** | Design pattern separating data, UI, and logic layers |\n\n---\n\n## ✅ How to Run\n\n1. Clone the repository\n2. Set up your MySQL database\n3. Update the `application.properties` with DB credentials\n4. Run the Spring Boot application\n5. Test APIs via Postman\n\n---\n\n## 📦 Future Enhancements\n\n- Add Swagger for API documentation\n- Integrate Spring Security for authentication\n- Dockerize the application\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpratikkhot100%2Fspring_boot_rest-api","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpratikkhot100%2Fspring_boot_rest-api","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpratikkhot100%2Fspring_boot_rest-api/lists"}