About This Architecture

Multi-AZ creative marketplace architecture spanning us-east-1a and us-east-1b with Route 53 DNS, CloudFront CDN, and WAF protecting a public presentation tier. Application tier runs PHP on EC2 t3.medium instances and ECS services (PHP API, Messaging, Project Posting) alongside Lambda functions for auth and payments, with private subnets isolating compute from data. Data tier includes RDS MySQL primary-standby replication, DynamoDB sessions, ElastiCache Redis, S3 media assets, and SQS/SNS for async messaging across both AZs. This architecture demonstrates high availability, fault tolerance, and separation of concerns critical for production marketplaces handling user uploads, payments, and real-time notifications. Fork and customize this diagram on Diagrams.so to adapt subnet CIDRs, instance types, or add additional services like Elasticsearch or Kinesis. Consider adding VPC Flow Logs and enhanced RDS monitoring for production observability.

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How do I design a highly available multi-AZ AWS architecture for a creative marketplace with microservices and database replication?

This diagram shows a production-grade multi-AZ marketplace spanning us-east-1a and us-east-1b with Route 53 DNS, CloudFront CDN, and WAF at the edge, ALB distributing traffic to EC2 and ECS services in private subnets, and RDS MySQL primary-standby replication across AZs for fault tolerance. Lambda functions handle auth and payments, while DynamoDB, ElastiCache, and SQS/SNS provide session managem