REGO: COMPLETE GUIDE TO OPEN POLICY AGENT AND POLICY-AS-CODE: Kubernetes Gatekeeper, API Authorization, and Infrastructure Governance with Declarative Policy Language Kindle Edition

Learn how to design, write, test, and operate Rego policies for real systems using Open Policy Agent.Modern platforms depend on policy everywhere, from API authorization and Kubernetes admission control to Terraform governance and CI checks. The hard part is not finding isolated examples. It is building policies that are clear, reusable, secure, and practical in production.This book gives you a structured path from core Rego fundamentals to advanced policy design across APIs, Kubernetes Gatekeeper, service proxies, and infrastructure delivery pipelines. It explains how OPA evaluates decisions, how to model input and policy data cleanly, how to build maintainable rules, and how to turn policy-as-code into an operational system you can trust.Understand Policy-as-Code and how OPA fits into API, Kubernetes, and infrastructure workflowsWrite Rego with confidence using packages, rules, data types, defaults, and safe decision patternsBuild reusable policies with helper rules, functions, comprehensions, and structured outputsModel authorization decisions for APIs using roles, attributes, JWT claims, and practical response shapesIntegrate OPA with applications, REST APIs, Envoy external authorization, bundles, and operational visibilityApply policy to Kubernetes admission control, Gatekeeper templates, constraints, audit workflows, and advanced referential rulesUse policy in delivery pipelines with Terraform plans, Conftest, CI checks, and governance controls for infrastructure and securityImprove policy quality with testing, debugging, profiling, partial evaluation, WebAssembly, and production operating practicesThis is a code-heavy guide with working Rego, YAML, JSON, and Bash examples that show how policies are applied in real authorization, Kubernetes, and infrastructure scenarios.Grab your copy today and build policy systems that are practical, maintainable, and ready for production. Read more