README.md

FinFlow💸

A personal Spring Boot project implementing core banking features like deposit, withdrawal, and transfer.

Table of Contents

• About
• Structure
• Features
• Tech Stack
• Installation
• Usage
• License

About

FinFlow is a simple banking system built with Spring Boot.

It allows users to perform basic banking operations, including:

• Deposits
• Withdrawals
• Transfers

This project demonstrates core financial transaction logic and serves as a portfolio project.

Structure

• Backend: Spring Boot (API, Domain, DB)
  • Repository: https://github.com/zzzyoonnn/FinFlow-backend
• Frontend: React + Vite
  • Repository: https://github.com/zzzyoonnn/FinFlow-frontend

Features

• Account creation
• Deposit money into account
• Withdraw money from account
• Transfer money between accounts
• JWT-based authentication
• Basic validation for transactions

Tech Stack

• Java 21
• Spring Boot 3.5.7
• Spring Data JPA
• Spring Security(JWT)
• H2 Database(for development/testing)
• MySQL(for production)
• Lombok
• QLRM (Native query to DTO mapping)