✨How to Build a Production 3 Tier AWS Project with Terraform Modules, Workspace, Packer, Checkov
#Terraform #AWS #DevOps #3TierArchitecture #TerraformModule
How to Build a Production-Ready 3 Tier AWS Project with Terraform Modules, Packer & Checkov
Projects Links:
https://harishnshetty.github.io/proje...
GitHub Repo:
https://github.com/harishnshetty/terr...
In this video, I explain How to Build a 3-Tier AWS Architecture using Terraform, Packer, and Checkov with real-world DevOps best practices. You will learn how to design a Web, App, and Database tier using VPC, ALB, ASG, RDS, Route53, ACM, and AWS Secrets Manager.
This project uses Terraform modules, workspaces (Dev, Stage, Prod), remote state locking with S3 & DynamoDB, and Checkov for infrastructure security scanning.
A complete production-grade IaC workflow with hands-on implementation
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🧱 Architecture & Modules Explained (Box Content)
VPC Module: Creates public and private subnets across multiple AZs
ALB Module: External ALB for Web tier and Internal ALBs for App tier
ASG Module: Auto Scaling Groups for Web and App layers
Security Group Module: Controlled inbound and outbound traffic
RDS Module: MySQL database in private subnets
Route53 & ACM: DNS routing and SSL certificate management
Secrets Manager: Secure storage for DB credentials
Terraform Workspaces: Environment isolation (Dev, Stage, Prod)
Checkov: Infrastructure security and compliance scanning
🔁 What You Must Replace (Important)
S3 bucket name (must be globally unique)
Example: three-tier-terrafrom-s3-8745
Update bucket name in all Terraform files
Create your own:
Route53 Hosted Zone
ACM Certificate
SNS Topic ARN
Update Secrets Manager names if required
What You Will Learn
Terraform Modules & Workspaces
Packer AMI creation
3-Tier AWS Architecture
Remote State Locking
Secrets Management
Auto Scaling & SNS
Route53 & ACM
Checkov Security Scanning
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