🏗️ Two-Tier AWS Infrastructure with Terraform

📌 Overview

This project demonstrates a Two-Tier architecture on AWS using Terraform for Infrastructure as Code (IaC). It follows a modular and security-enhanced approach to create a scalable, secure, and maintainable infrastructure.

✅ Key Features

• Modular Architecture – Reusable Terraform modules for better management
• Infrastructure as Code (IaC) – Automate AWS resource provisioning
• Security Best Practices – IAM roles, policies, and WAF integration
• Scalability & High Availability – Auto Scaling, Load Balancing, and Route 53
• Database Integration – Managed Amazon RDS deployment
• SSL & CDN Optimization – Secure connections and content acceleration

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📖 Step-by-Step Guide

📌 Read the full tutorial with screenshots:
Deploy Two-Tier Architecture on AWS using Terraform

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🚀 Getting Started

Prerequisites

• Terraform >= 1.0.0
• AWS CLI configured with appropriate permissions
• An AWS account with sufficient IAM permissions

1️⃣ Clone the Repository

git clone https://github.com/NotHarshhaa/DevOps-Projects
cd DevOps-Projects/DevOps-Project-11/

2️⃣ Configure Variables

⚠️ Important: Before deploying, update the variables.tfvars file:

• Change RDS-PWD to a secure password
• Update DOMAIN-NAME to your actual domain
• Modify other values as needed for your environment

3️⃣ Initialize and Apply Terraform

terraform init
terraform plan -var-file=variables.tfvars
terraform apply -var-file=variables.tfvars --auto-approve

4️⃣ Cleanup (Destroy Infrastructure)

terraform destroy -var-file=variables.tfvars --auto-approve

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🔧 Configuration Files

• main.tf - Main Terraform configuration with module calls
• variables.tf - Variable declarations
• variables.tfvars - Variable values (update these before deployment)
• backend.tf - Terraform backend and provider configuration
• modules/ - Reusable Terraform modules

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🏗️ Project Architecture Highlights

🔹 Networking & Security

✅ VPC & Subnets – Securely isolated environment for your application
✅ IAM & Role-Based Access Control – Fine-grained security permissions
✅ AWS WAF – Protect against common web threats

🔹 Compute & Scaling

✅ Auto Scaling Group – Dynamic scaling based on demand
✅ Application Load Balancer (ALB) – Efficient traffic distribution
✅ EC2 Instances – Reliable computing power

🔹 Storage & Database

✅ Amazon RDS – Managed database for scalability and reliability
✅ S3 Buckets – Secure storage for application assets

🔹 Networking & Optimization

✅ Amazon Route 53 – Scalable domain name system (DNS)
✅ Amazon CloudFront (CDN) – Faster content delivery worldwide
✅ SSL/TLS Encryption – Secure communication with ACM

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🛠️ Author & Community

This project is crafted by Harshhaa 💡.
I’d love to hear your feedback! Feel free to share your thoughts.

📧 Connect with me:

• GitHub: @NotHarshhaa
• Blog: ProDevOpsGuy
• Telegram Community: Join Here
• LinkedIn: Harshhaa Vardhan Reddy

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