AWS Three-Tier Web Application Architecture

Production three-tier web application on AWS with CloudFront CDN, Application Load Balancer, Auto Scaling EC2 compute tier, Aurora database with read replicas, and ElastiCache for session management. Includes WAF for edge security, Cognito for user authentication, and CloudWatch for full-stack obser…

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About This Architecture

Production three-tier web application on AWS with CloudFront CDN, Application Load Balancer, Auto Scaling EC2 compute tier, Aurora database with read replicas, and ElastiCache for session management. Includes WAF for edge security, Cognito for user authentication, and CloudWatch for full-stack observability. Fork this diagram on Diagrams.so to customize the compute tier or add additional caching layers for your web application. Source: https://aws.amazon.com/architecture/

AWS Three-Tier Web Application Architecture

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Created by

March 14, 2026

Updated

March 14, 2026 at 7:54 PM

Type

architecture

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AWS Three-Tier Web Application Architecture — Architecture Diagram | Diagrams.so