Building Production-Grade Infrastructure on Azure with Terraform: A Complete Three-Tier Architecture

Building Production-Grade Infrastructure on Azure with Terraform: A Complete Three-Tier Architecture By Vivian Chiamaka Okose Tags: #terraform #azure #devops #threetier #applicationgateway #mysql #nextjs #nodejs #iac #cloud #security This is the project where everything clicked. Not because it went smoothly -- it absolutely did not. A VM got compromised by a cryptominer midway through. Regional capacity restrictions blocked MySQL provisioning twice. An Application Gateway TLS policy error required a specific fix. An IP address changed mid-deployment and locked me out of my own server. But every one of those problems had a solution. And working through each one taught me something that no tutorial could replicate. This is the story of Assignment 5: deploying the Book Review App on Azure using a production-grade three-tier Terraform architecture. The Architecture This project uses a proper three-tier design with strict security boundaries between each layer: Network Layer: One VNet with