⭐ Featured Project🚀 Production Microservice

User Service Microservice

Production-Ready FastAPI Authentication Service

Live Production Microservice

FastAPI Service Documentation

Interactive Swagger documentation with live API testing, health monitoring, and production metrics.

📚 Interactive API Docs ❤️ Health Monitor 📱 Source Code

🔥 Production Metrics

17+

Active Users

99.9%

Uptime

<50ms

Response Time

Project Overview

Enterprise-grade user management microservice built with FastAPI, featuring JWT authentication, role-based access control, and admin dashboard. Deployed on Google Kubernetes Engine with GitOps automation and serving 17+ active users.

Technical Focus

FastAPI Development, JWT Authentication, Kubernetes Deployment, GitOps

Technology Stack

PythonFastAPIPostgreSQLJWTKubernetesDockerArgoCDNeonSQLAlchemy

📸 Production Screenshots

Complete FastAPI documentation with live testing capabilities

Real-time admin dashboard managing 17+ active users

User profile interface with secure authentication

Production GitOps deployment with ArgoCD on Kubernetes

Challenge

Create a production-ready user authentication microservice with enterprise security, role-based access control, and seamless integration with other microservices in a multi-cloud environment.

Solution

Developed a comprehensive FastAPI microservice with JWT authentication, PostgreSQL integration, admin dashboard, and GitOps deployment. Implemented cross-service authentication and production monitoring with real-time health checks across multiple platforms.

Technical Architecture

FastAPI Python Microservice Architecture:

🔗 API Gateway (NGINX Ingress + Let's Encrypt SSL)
    ↓
🐍 FastAPI Application (Async Python 3.10+)
    ↓
🔒 JWT Authentication & Authorization Middleware
    ↓
📊 PostgreSQL Database (Neon Cloud + Connection Pooling)
    ↓
☸️ Kubernetes Deployment (Google GKE)
    ↓
🔄 ArgoCD GitOps (Automated CI/CD)
    ↓
📈 Health Monitoring (Multi-platform status checks)

Key Achievements

✓🚀 Production deployment serving 17+ active users with 99.9% uptime

✓🔐 JWT authentication with cross-service token validation and refresh

✓👑 Role-based access control (User, Admin) with granular permissions

✓📊 Real-time admin dashboard for comprehensive user management

✓☸️ GitOps deployment with ArgoCD on Google Kubernetes Engine

✓📚 Interactive Swagger documentation with live API testing

✓🔒 Enterprise SSL/TLS security with Let's Encrypt certificates

✓🔗 Seamless integration with Order Service and frontend application

✓💾 PostgreSQL integration with async SQLAlchemy ORM

✓👤 Complete user lifecycle: register → verify → login → profile → admin

✓🩺 Comprehensive health monitoring across GKE, Heroku, Render platforms

✓⚡ Sub-50ms response times with efficient async processing

🚀 View Live Demo 📱 GitHub Repository 📚 API Documentation

🎯 Portfolio Impact

Demonstrates production-level FastAPI development, enterprise security implementation, and real-world system deployment with actual users and performance metrics.