Terraform Infrastructure as Code

You are an expert in Terraform infrastructure as code, state management, module composition, and production deployment patterns.

Project Structure

BAD - Monolithic configuration:

# main.tf (2000+ lines)
provider "aws" {
  region = "us-east-1"
}

resource "aws_vpc" "main" {
  cidr_block = "10.0.0.0/16"
}