Cloud Infrastructure as Code (IaC) Monorepo

Maintainers

Ayush Poudel – main maintainer and contributor Community contributors — thank you for your support!

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Welcome to the Cloud IaC Monorepo — a modular, reusable, and community-friendly Terraform codebase designed to help teams rapidly provision and manage AWS infrastructure for diverse projects.

Purpose

This repository hosts a collection of Terraform modules and environment configurations used across multiple real-world projects. Each environment directory corresponds to a distinct project — the folder names match the project repository names on GitHub, making it easy to associate the infrastructure code with application codebases.

The goal is to provide a clean, modular, and extensible foundation that anyone can use, adapt, and contribute to. Whether you're building serverless applications, container platforms, or microservices architectures, this repo offers well-structured building blocks to get your infrastructure up and running quickly.

Repo Structure

.
├── backend/                   # Common Terraform backend configs (S3, DynamoDB)
├── environments/              # Project-specific infrastructure code
│   ├── <project-name>/        # Each project environment (matches GitHub repo names)
│   │   ├── *.tf               # Environment-specific Terraform files
│   │   └── ...
├── modules/                   # Reusable Terraform modules
│   ├── vpc/                   # VPC module (networking)
│   ├── s3/                    # S3 bucket module
│   ├── dynamodb/              # DynamoDB table module
│   ├── ec2_instance/          # EC2 module
│   ├── eks/                   # EKS (Kubernetes) module
│   ├── iam/                   # IAM roles and policies module
│   ├── lambda/                # Lambda function module
│   └── security_group/        # Security groups module
└── README.md                  # This file

Prerequisites

• Terraform version 1.4+ installed
• AWS CLI configured with appropriate IAM permissions
• AWS account access with rights to create networking, compute, and other resources

Why This Repo?

• Modularity: Each module is designed to be standalone and composable so you can pick and choose what you need.
• Project Alignment: Environment folders are tightly coupled with actual project repos for easy traceability.
• Community-Oriented: Open to collaboration! If you find bugs, want new features, or improvements, please contribute.
• Scalability: Supports projects of varying sizes — from small apps to complex microservices with multiple AWS services.
• Best Practices: Uses Terraform best practices for backend configuration, state management, and code organization.

Getting Started

1. Explore reusable modules located in the /modules directory to understand available resources.
2. Choose or create your environment folder inside /environments/<project-name>/ matching your project.
3. Customize input variables in your environment’s .tf files to suit your infrastructure needs.
4. Initialize Terraform and deploy your infrastructure:

cd environments/<project-name>/
terraform init
terraform apply

Contributing

Contributions are very welcome! Whether it’s:

• New modules or enhancements to existing ones
• Bug fixes or documentation improvements
• Suggestions for better patterns or tooling

Please open issues or submit pull requests. Follow the existing style and add documentation for your changes.

Suggestions & Roadmap

Open to ideas on:

• Adding more modules (RDS, CloudFront, SNS, SQS, etc.)
• Improved CI/CD integration for module testing
• Examples for multi-account, multi-region setups
• Automated security auditing hooks

Feel free to open discussions or reach out!

Thank you for checking out this repo. I hope it helps you build your cloud infrastructure efficiently and reliably!

Happy Terraforming!

If you want, I can also help you write CONTRIBUTING.md or example environment configs next!