terragrunt

name	terragrunt
description	Use this skill when the user wants to manage Terraform modules, apply infrastructure changes with Terragrunt, or keep Terraform configurations DRY.

terragrunt Plugin

Terragrunt is a thin wrapper for Terraform that provides extra tools for working with multiple Terraform modules, managing remote state, and keeping configurations DRY.

Commands

Infrastructure

• terragrunt infra apply — Apply Terraform infrastructure changes

Utility

• terragrunt _ _ — Passthrough to terragrunt CLI

Usage Examples

• "Apply infrastructure changes"
• "Manage Terraform modules"
• "Terragrunt apply"
• "Infrastructure deployment"

Installation

brew install terragrunt

Requires Terraform to be installed separately.

Examples

# Apply changes
terragrunt infra apply ./modules/vpc

# Auto approve
terragrunt infra apply ./modules/vpc --auto-approve

# Plan only
terragrunt infra apply ./modules/vpc --plan

# Any terragrunt command with passthrough
terragrunt _ _ apply
terragrunt _ _ plan
terragrunt _ _ validate

Key Features

• DRY - Keep configs DRY
• Modules - Multi-module support
• State - Remote state management
• Dependencies - Module dependencies
• Terraform - Terraform wrapper
• Locking - State locking
• Versioning - Version constraints
• CI/CD - Pipeline friendly
• Scalable - Scale infrastructure
• Reliable - Production ready

Notes

• Requires Terraform installed
• Great for multi-module projects
• Manages remote state
• Perfect for team workflows