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AWS 3-Tier Web Architecture
Overview
Architecture diagram for a highly available AWS web application: CloudFront and an ALB route traffic to EC2 web servers in two public subnets, backed by Multi-AZ RDS in private subnets.
Problem solved
A web application hosted on one server has a concentrated failure point. Traffic routing, application capacity, database placement, and infrastructure changes need a repeatable design.
The approach
The architecture separates the edge, load balancing, compute, and database layers. CloudForge provides a Terraform implementation reference for provisioning these AWS resources.