3-tier-app-deployment-AOTOMATION

This project automates the deployment of a 3-tier web application using Terraform, Ansible, Docker, and Azure DevOps. It includes infrastructure provisioning, application containerization, and CI/CD pipelines.

🛠️ Technologies Used

• Terraform – for provisioning Azure resources (VMs, NSGs, etc.)
• Ansible – for remote configuration and deployment of frontend/backend
• Docker & Docker Hub – for containerizing frontend and backend apps
• Azure DevOps Pipelines – for CI/CD automation
• Azure SQL Database – for persistent backend storage

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🔧 What it Deploys

• A 3-tier architecture:
  • Frontend: Next.js app (Dockerized)
  • Backend: Express.js API (Dockerized)
  • Database: Azure SQL DB
• High Availability:
  • Multiple VMs for frontend and backend
  • Load Balancer for traffic distribution
  • App gateway