About This Architecture
Multi-AZ retail platform on AWS with Route 53 DNS, CloudFront CDN, and WAF protecting an Application Load Balancer across two availability zones. Frontend web servers route traffic to EC2 backend APIs, ECS microservices, and Lambda functions for orders and loyalty rewards, with RDS Primary/Standby databases and DynamoDB for session state. Cognito handles authentication, CloudWatch monitors performance, and Secrets Manager secures credentials, while S3 assets are distributed globally via CloudFront. This architecture demonstrates high availability, auto-scaling, and separation of concerns for e-commerce workloads. Fork and customize this diagram on Diagrams.so to adapt instance types, Lambda concurrency, or add additional microservices. The dual-AZ design with cross-AZ RDS replication ensures RPO/RTO targets for retail operations.