Three-Tier Web Application Architecture Diagram
A three-tier architecture diagram separates a web application into presentation, logic, and data layers, making it easier to scale and maintain each independently. It's a foundational diagram for system design interviews and architecture documentation. Tip: show the cache layer explicitly since it often becomes a key performance bottleneck to discuss.
The prompt behind this diagram
Draw a three-tier web application architecture diagram with a Presentation Tier containing a Web Browser and a Frontend Server (React app), a Logic Tier containing an Application Server running business logic and a REST API layer, and a Data Tier containing a Primary Database and a Read Replica Database. Show request flow from the browser through a Load Balancer to the frontend server, then to the application server, and finally to the database tier, with a Cache Layer between the logic tier and data tier to speed up repeated queries.
Paste your own description (or Terraform / docker-compose / SQL schema) into draft1 and get a diagram like this for your exact system.
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