This book walks you through the essential components of a platform. You will begin by learning the foundational concepts of platform engineering, understanding the culture and product mindset, and designing a robust architecture. It will show you how to codify infrastructure and security using policy as code, with a special focus on leveraging Kubernetes as the core of a secure delivery platform. You will also learn to embed security through the shift left approach and the creation of self—service capabilities. The book concludes with insights into observability, data lakes, and the future of the field with AI/ML and Pai—Ops.