Terraform Essential Training: Write, Structure, and Scale Your Code

Course details

Terraform has become an industry-leading tool for managing and provisioning infrastructure through code. This course equips you with the skills to build and manage infrastructure following Terraform best practices. Join infrastructure-as-code (IaC) expert Taylor Dolezal as he demonstrates how to write clean, modular configurations, manage state securely across different environments, and integrate Terraform into CI/CD pipelines to automate workflows. This course emphasizes scalability and collaboration, giving you hands-on experience with enterprise-ready patterns for IaC. By the end, you’ll be prepared to design reusable modules and implement production-grade workflows that support team efficiency.

Learning objectives
Write well-structured Terraform code following best practices.
Design and use reusable modules across projects.
Manage secure multienvironment state with remote back ends.
Integrate Terraform into enterprise CI/CD workflows.
Apply a scalable, production-ready approach to infrastructure as code that supports team collaboration.

Concepts

Introduction

Team-ready Terraform
Terraform that scales

Real-World Project Structure

Design a production-ready Terraform layout
Scale with proven Terraform directory patterns
Separate environments without duplicating code
Challenge - Restructure a messy project
Solution - Restructure a messy project

Modular Architecture

Why modules matter at scale
Design clean module interfaces (inputs outputs)
Validate inputs and setting safe defaults
Write outputs for composable modules
Versioning modules for safe upgrades
Challenge - Build a reusable VPC module
Solution - Build a reusable VPC module

Multicloud Patterns

Provider aliasing and multiregion
Writing cloud-agnostic modules
Challenge - Deploy to two clouds
Solution - Deploy to two clouds

Managing Infrastructure Drift

What causes drift (and why it's inevitable)
Drift detection strategies
Remediation workflows
Preventing drift with policy
Challenge - Find and fix drift
Solution - Find and fix drift

Testing Infrastructure Code

Use validate, fmt, and plan as tests
Integration testing with Terratest
Policy as code (OPA Sentinel tfsec)
Challenge - Add tests to a module
Solution - Add tests to a module

CI CD and Team Workflows

GitHub Actions for Terraform
Pull request workflows with plan previews
GitOps for infrastructure
Challenge - Build a PR pipeline
Solution - Build a PR pipeline

AI-Assisted Infrastructure Development

AI guardrails - When not to trust the machine
AI-assisted module development

Collaboration and Governance

Change approval workflows
Cost management and tagging

The OpenTofu Alternative

Feature differences worth knowing
Migration - Easier than you think

Capstone Project

Capstone overview - Multicloud app
Complete your multicloud app

Conclusion

Next steps - Practice, automate, and scale