Production-grade e-commerce order system with Multi-AZ disaster recovery, automated failover, and <2 second RTO. Built with AWS cloud-native services demonstrating enterprise-level architecture.
| Component | Service | Purpose |
|---|---|---|
| Load Balancer | AWS ALB | Traffic distribution & health checks |
| Compute | EC2 (t3.micro) | Flask web application in private subnet |
| Database | RDS MySQL Multi-AZ | Automatic failover across AZs |
| Network | VPC + Subnets | Secure public/private separation |
| Security | Security Groups | Network-level protection |
✅ Multi-AZ High Availability - Automatic failover with <2 second RTO
✅ Zero Data Loss - Synchronous database replication
✅ Real-time Dashboard - Live order tracking with AZ visibility
✅ Secure Architecture - Private subnets with proper security groups
✅ Production Monitoring - Health checks and system status
- RTO: <2 seconds (Recovery Time Objective)
- RPO: 0 (Recovery Point Objective - no data loss)
- Availability: 99.9% uptime through Multi-AZ
- Security: Defense-in-depth with VPC isolation
Live dashboard showing current AZ, instance details, and system architecture
Interactive dashboard with order statistics and AZ tracking
Home page show casing the submission of order
AWS RDS console showing Multi-AZ deployment enabled
VPC console showcasing 2 private and 2 public subnets with route tables along with Internet Gateway and NAT Gateway
Load Balancer covering Multi Az's
Infrastructure:
- AWS VPC, EC2, RDS, ALB
- Multi-AZ deployment across us-east-1a and us-east-1b
Application:
- Python 3.9+ with Flask framework
- MySQL database with PyMySQL connector
- HTML/CSS/JavaScript frontend
Security:
- VPC with public/private subnets
- Security Groups with least privilege
- Private subnet isolation
-
Clone Repository
git clone https://github.com/yourusername/multi-az-disaster-recovery.git
-
Follow Setup Guide
- See Complete Setup Guide
- Estimated time: 2-3 hours
-
Test Disaster Recovery
# Initiate RDS failover test aws rds reboot-db-instance --db-instance-identifier order-system-db --force-failover
Failover Test Results:
- ✅ Application continued serving requests
- ✅ <2 second interruption during failover
- ✅ Zero data loss confirmed
- ✅ Automatic recovery without manual intervention
Free Tier Compatible:
- EC2 t3.micro: 750 hours/month free
- RDS db.t3.micro Multi-AZ: 750 hours/month free
- ALB: 750 hours/month free
- Estimated cost for testing: $0-5 (mainly NAT Gateway)
AWS Services:
- VPC design and implementation
- EC2 compute management
- RDS Multi-AZ database configuration
- Application Load Balancer setup
- Security Groups and network security
Software Development:
- Full-stack web application development
- Database design and integration
- RESTful API development
- Frontend development with real-time updates
DevOps & Architecture:
- Infrastructure design and implementation
- Disaster recovery planning and testing
- Monitoring and observability
- Security best practices
Project Author: Naveed Mohiuddin
- 📧 Email: [email protected]
- 💼 LinkedIn: https://www.linkedin.com/in/naveed-mohiuddin-852021196/
- 🐙 GitHub: @NaveedMohiuddin
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