About This Architecture

Multi-AZ full-stack web architecture spanning two AWS availability zones with Route 53 DNS, CloudFront CDN, and WAF protecting static assets and APIs. Traffic flows through dual Application Load Balancers to compute options including EC2 t3.medium instances, ECS Fargate microservices, and Lambda serverless functions across isolated subnets. Data tier features RDS Aurora primary-standby replication, DynamoDB, ElastiCache Redis, SQS queues, and S3 storage with comprehensive observability via CloudWatch, X-Ray, and CloudTrail. This architecture demonstrates AWS best practices for fault tolerance, auto-scaling, security segmentation, and operational visibility across production workloads. Fork and customize this diagram on Diagrams.so to match your VPC CIDR ranges, instance types, and regional requirements. Consider adding Auto Scaling Groups and additional AZs for even greater resilience.

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How do I design a highly available multi-AZ AWS web application with load balancing, microservices, and database replication?

This diagram shows a production AWS architecture spanning two availability zones with Route 53 DNS, CloudFront CDN, and WAF at the edge, dual Application Load Balancers routing to EC2, ECS Fargate, and Lambda compute options, and RDS Aurora primary-standby replication for data durability. Each AZ contains isolated public and private subnets with NAT Gateways, while DynamoDB, ElastiCache, SQS, and