In this article, Tiexin Guo, a Senior DevOps Consultant at AWS, shares insights on best practices for writing Terraform code, emphasizing the importance of clean, readable, and manageable code for effectively utilizing Infrastructure as Code (IaC). Guo discusses the evolution of Terraform and the necessity of understanding both the infrastructure and configuration management aspects when using IaC tools. He advises against premature future-proofing and stresses the importance of idempotency and a declarative coding style to achieve consistent outcomes. The article also challenges the notion of cloud agnosticism, arguing that vendor lock-in is often inevitable and not as detrimental as commonly perceived, thus encouraging developers to focus on using the right tools for specific tasks. Overall, the article aims to guide readers in making informed decisions tailored to their unique situations, rather than adhering strictly to one-size-fits-all best practices.