Infrastructure as Code: Designing and Delivering Dynamic Systems for the Cloud Age by Kief Morris (O’Reilly Media, third edition) present a practical vision for building and evolving cloud infrastructure with precision and agility. The book dives into the principles and workflows that make Infrastructure as Code fundamental to modern system design—covering everything from reusable code libraries and delivery pipelines to safe, incremental changes in production. By linking technical practices with organizational strategy, it shows how mature IaC foundations can drive sustainable cloud growth through continuous testing, automation, and governance-driven reliability.