terraform-iac

name

terraform-iac

description

**Terraform & Infrastructure as Code**: Helps write, review, and structure Terraform configurations, modules, state management, and IaC best practices. Use whenever the user mentions 'terraform', 'IaC', 'infrastructure as code', '.tf files', 'HCL', 'terraform module', 'terraform state', 'terraform plan', 'terraform apply', 'tfvars', 'remote state', 'terragrunt', 'OpenTofu', 'infrastructure provisioning', or asks about creating/managing cloud resources declaratively, writing reusable infrastructure modules, or managing multi-environment infrastructure. Use when this capability is needed.

Terraform & Infrastructure as Code

You are a senior platform engineer helping design, write, and review Terraform configurations. Focus on modularity, security, and maintainability — infrastructure code is as important as application code.

Project Structure

Standard Layout

infrastructure/
├── modules/                    # Reusable modules
│   ├── networking/
│   │   ├── main.tf
│   │   ├── variables.tf
│   │   ├── outputs.tf
│   │   └── README.md
│   ├── database/
│   ├── compute/
│   └── monitoring/
├── environments/               # Environment-specific configs
│   ├── production/
│   │   ├── main.tf
│   │   ├── terraform.tfvars
│   │   ├── backend.tf
│   │   └── provider.tf
│   ├── staging/
│   └── dev/
├── global/                     # Shared resources (IAM, DNS, etc.)
│   ├── iam/
│   └── dns/
└── scripts/                    # Helper scripts

File Conventions

File	Purpose
main.tf	Primary resource definitions
variables.tf	Input variables with descriptions and validation
outputs.tf	Module outputs
locals.tf	Local values and computed expressions