🏦 Spring Boot Banking App

A simple and clean Banking REST API built using Spring Boot, Spring Data JPA, and MySQL.
It demonstrates CRUD operations for managing bank accounts with a layered architecture (Controller → Service → Repository → Entity → DTO → Mapper).

🚀 Features

✅ Create a new bank account
✅ Fetch account details by ID
✅ Update account balance
✅ Delete an account
✅ Clean architecture with DTO and Mapper
✅ Uses Lombok for boilerplate reduction
✅ MySQL integration with JPA (Hibernate ORM)

⚙️ Tech Stack

Layer	Technology
Language	Java 17
Framework	Spring Boot 3.x
ORM	Spring Data JPA (Hibernate)
Database	MySQL
Dependency Manager	Maven
Build Tool	Spring Boot Maven Plugin
Additional	Lombok, REST APIs

🧩 Project Architecture

com.proj.Banking_app ├── controller │ └── AccountController.java ├── service │ ├── AccountService.java │ └── implementation │ └── AccountServiceImp.java ├── repository │ └── AccountRepository.java ├── entity │ └── Account.java ├── dto │ └── AccountDto.java ├── mapper │ └── AccountMapper.java └── BankingAppApplication.java

📦 API Endpoints

Method	Endpoint	Description
POST	/api/accounts	Create a new account
GET	/api/accounts/{id}	Retrieve account by ID
PUT	/api/accounts/{id}	Update account balance/details
DELETE	/api/accounts/{id}	Delete an account

🧪 Example Request (Create Account)

POST http://localhost:8080/api/accounts

Body:

{
  "accountHolderName": "John Doe",
  "balance": 5000.00
}

**Response:**
{
  "id": 1,
  "accountHolderName": "John Doe",
  "balance": 5000.0
}


💬 **Author**
👤 Siddhu Tirse
💼 Java & Spring Boot Developer
🌐 www.linkedin.com/in/siddheshtirse