Infrastructure as Code

Principles

1. Everything in Code: No manual changes
2. Version Controlled: All changes tracked
3. Idempotent: Safe to run multiple times
4. Tested: Validate before apply

Terraform Basics

Project Structure

infrastructure/
├── main.tf           # Main configuration
├── variables.tf      # Input variables
├── outputs.tf        # Output values
├── providers.tf      # Provider config
├── terraform.tfvars  # Variable values