Terraform Cookbook

Chapter 10. Real-World Use Cases

Let’s explore a range of real-world use cases where Terraform excels in managing infrastructure as code. From orchestrating multiple environments to deploying highly available applications, we’ll demonstrate how Terraform can solve complex infrastructure challenges across various cloud providers and tools.

Throughout these examples, we’ll work with various cloud providers, primarily AWS, and explore integrations with tools like Kubernetes, AWS Lambda, and API Gateway. We’ll also discuss advanced topics such as implementing GitOps workflows and automating disaster recovery to showcase Terraform’s versatility in real-world scenarios.

By the end of this chapter, you’ll have a solid understanding of how to apply Terraform to solve complex infrastructure challenges. You’ll be equipped with practical examples, best practices, and the confidence to implement Terraform in your projects, enabling you to manage infrastructure as code efficiently and effectively across various environments and use cases.

10.1 Managing Multiple Environments with Terraform Workspaces

Problem

As organizations grow and their infrastructure complexity increases, managing multiple environments such as development, staging, and production becomes a significant challenge. Each environment may have different configurations, resources, and variables, leading to code duplication and increased maintenance efforts. Manually managing these environments can be error-prone and time-consuming. ...