Deploy a Production-Ready AWS VPC Using Open-Source Terraform Repository

Learn how to deploy a highly available AWS VPC using a reusable Terraform module built with production-ready AWS best practices.

Introduction

Managing AWS infrastructure becomes much easier when your Terraform code is organized into reusable modules instead of writing everything from scratch for every project.

To help the community, I've created a public Terraform AWS Infrastructure repository that contains production-ready Terraform modules following AWS best practices.

The first module available in the repository is a Highly Available AWS VPC Module.

In this guide, I'll show you how to clone the repository and deploy the VPC in just a few steps.

What Does the VPC Module Create?

The VPC module provisions a highly available networking foundation, including:

• Amazon VPC

• 2 Public Subnets

• 2 Private Application Subnets

• 2 Database Subnets

• 1 Internet Gateway

• 2 NAT Gateways (One per Availability Zone)

• Shared Public Route Table

• Dedicated Private Route Tables

• Dedicated Database Route Tables

Prerequisites

Before deploying the infrastructure, ensure you have:

• Terraform installed

• AWS CLI installed

• AWS credentials configured

• Appropriate IAM permissions

Verify your AWS account:

aws sts get-caller-identity

Deployment

Step 1 — Clone the Repository

clone the repository

git clone https://github.com/MithrugandevOps/terraform-aws-infrastructure.git

cd terraform-aws-infrastructure

Step 2 — Navigate to the Production VPC Environment

cd environments/production/vpc

This directory already contains everything required to deploy the VPC.

Step 3 — Configure Your AWS Region (Optional)

If required, update the AWS provider configuration.

provider "aws" {
  region = "ap-south-1"
}

Step 4 — Update Variables (Optional)

Modify the CIDR blocks, Availability Zones, or naming conventions according to your environment.

Example:

vpc_cidr = "10.0.0.0/16"

Note

The repository already contains production-ready defaults that you can customize according to your environment.

Step 5 — Initialize Terraform

Initialize the working directory.

terraform init

Terraform will:

• Download the AWS Provider

• Initialize the working directory

Step 6 — Review the Execution Plan

Always review the execution plan before deploying infrastructure.

terraform plan

Step 7 — Deploy the Infrastructure

Deploy the VPC.

terraform apply

When prompted, type: yes

Terraform will provision all networking resources.

Verify the Deployment

After deployment completes successfully, verify the resources in the AWS Console

Future Modules

This repository will continue to evolve with additional production-ready AWS modules.

The goal is to build a collection of reusable Terraform modules that anyone can use in their AWS environments.

GitHub Repository

🔗 Repository

https://github.com/MithrugandevOps/terraform-aws-infrastructure

If you find this project useful, consider giving it a ⭐ on GitHub.

Happy Terraforming! 🚀