https://github.com/mihaidinu0/expensetracker

Secure Spring Boot backend with JWT auth, Docker, PostgreSQL & CI/CD
https://github.com/mihaidinu0/expensetracker

ci-cd docker java jwt-authentication postgresql rest-api spring-boot

Last synced: 2 months ago
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Secure Spring Boot backend with JWT auth, Docker, PostgreSQL & CI/CD

• Host: GitHub
• URL: https://github.com/mihaidinu0/expensetracker
• Owner: mihaidinu0
• Created: 2025-02-23T11:45:13.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2025-02-26T21:40:03.000Z (over 1 year ago)
• Last Synced: 2025-07-17T13:43:28.851Z (12 months ago)
• Topics: ci-cd, docker, java, jwt-authentication, postgresql, rest-api, spring-boot
• Language: Java
• Homepage:
• Size: 70.3 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Expense Tracker API - Secure Backend System

[![Java](https://img.shields.io/badge/Java-17-blue)](https://openjdk.java.net/)

[![Spring Boot](https://img.shields.io/badge/Spring_Boot-3.1-green)](https://spring.io/projects/spring-boot)

[![Security](https://img.shields.io/badge/Security-JWT-orange)](https://jwt.io/)

A live-deployed expense management API with JWT authentication and role-based access control. Implements secure RESTful endpoints for financial operations with full CI/CD pipeline integration.

**Key Technical Highlights:**  

✅ Spring Security with JWT authentication flow  

✅ Role-based authorization (ADMIN/CLIENT)  

✅ Containerized with Docker & PostgreSQL  

✅ CI/CD pipeline with GitHub Actions  

✅ Paginated API responses & DTO validation

## 🛠 Tech Stack

**Core Technologies**  

Spring Boot 3 | Spring Security | JWT | PostgreSQL

**Infrastructure**  

Docker | GitHub Actions | Digital Ocean Droplet

## 🚀 Core Features

| Feature | Implementation Details |

|---------|------------------------|

| JWT Authentication | Secure token management with refresh mechanism |

| Role-Based Access | Spring Security authorities with UserType enum |

| Expense Management | CRUD operations with validation |

| API Security | CSRF protection & HTTPS-ready configuration |

| CI/CD Pipeline | Automated deployment to production droplet |

## Setup

```bash

# Clone repository

git clone https://github.com/mihaidinu0/expense-tracker.git

# Start services

docker-compose up -d --build

# API available at

http://localhost:8080/api/expenses

Make sure to register a user and login to obtain the Bearer Token to access the secured endpoints.