*A beginner‑friendly guide implement this project *(HUG‑Challenge-Week-2)

Olajide Salami ∙ August 29 2025 ∙ 5 min read ∙ View on Notion

📌 Project Brief

This project provisions a scalable, multi-environment (Dev & Prod) infrastructure on AWS using Terraform.

It demonstrates modular Infrastructure as Code (IaC) by separating concerns into reusable Terraform modules for Networking, Compute, Database, and Load Balancer.

Each environment (Dev, Prod) have different configurations but still share the same core modules.

🏗️ Architecture Diagram

(Insert your diagram here in Notion by uploading the PNG you generated earlier)

Key Components:

• VPC with separate public and private subnets
• Internet Gateway (IGW) and NAT Gateway for internet access
• Security Groups for web (EC2/ALB) and database (RDS)
• Application Load Balancer (ALB) distributing traffic across EC2 instances
• Auto Scaling Group (ASG) for compute elasticity
• RDS Database deployed in private subnets
• Tagging strategy to distinguish dev vs prod resources

📂 Project Structure

terraform-multi-environs-webapp-infra/
│── modules/
│   ├── networking/
│   ├── compute/
│   ├── database/
│   └── loadbalancer/
│
│── environments/
│   ├── dev/
│   │   ├── main.tf
│   │   ├── variables.tf
│   │   ├── terraform.tfvars
│   └── prod/
│       ├── main.tf
│       ├── variables.tf
│       ├── terraform.tfvars
│
│── README.md