The Distributed Blueprint

Mastering Microservices, Gateways, and Service Meshes

Design resilient, production-ready microservices architectures with confidence. Learn how API gateways, service meshes, and observability tools work together to build scalable and secure distributed systems.

Johnson Okoli

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About the Book

The Distributed Blueprint is a practical guide to designing and operating modern distributed systems.

Starting from the shift away from monolithic architectures, the book explains how to define service boundaries, choose the right communication patterns, and manage the trade-offs of microservices.

It then explores API gateways, security with JWT and OAuth2, and high-availability edge design. Inside the cluster, you’ll learn how service meshes like Istio handle traffic management, observability, and zero-trust security using mTLS.

The book also covers distributed tracing, monitoring with the Golden Signals, chaos engineering, and emerging trends such as serverless microservices and ambient mesh.

Each chapter includes an architect’s checklist, hands-on configuration examples, and practical failure-mode insights to help you design resilient, production-ready systems.

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About the Author

Johnson Okoli

Okoli Johnson Chinonso is a Lead Software Engineer and systems architect with over six years of experience designing and scaling distributed systems across fintech, SaaS, and real-time platforms.

He has led backend architecture for high-availability auction systems, payment infrastructures, and microservices-based enterprise platforms, with deep expertise in Node.js, cloud-native infrastructure, CI/CD pipelines, and secure system design. His work spans AWS deployments, real-time systems, subscription billing architectures, and role-based access control models.

Johnson holds an MSc in Cyber Security from the University of Birmingham and a First Class degree in Computer Engineering. His focus lies in building resilient, secure, and production-ready distributed systems.

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