Cilium for Bare-Metal & Hybrid Kubernetes : Build eBPF Networking, Gateway API Ingress, BGP Load Balancing, Cluster Mesh, Hubble Observability, and Tetragon Security for Real-World Kubernetes

Modern Kubernetes networking has outgrown iptables, static routing, and legacy ingress patterns. As platforms scale across bare-metal, cloud, and multi-cluster environments, operators need performance, visibility, security, and control—all working together as a single system.Cilium for Bare-Metal & Hybrid Kubernetes is a hands-on, production-first guide to building and operating modern Kubernetes networking using eBPF-powered infrastructure. This book takes you beyond theory and into real-world implementation—showing you how to design, deploy, validate, and operate a high-performance, secure, and observable platform with Cilium.From foundational concepts to a full end-to-end capstone project, you will learn how to:Replace legacy networking with eBPF-based datapath for high performance and scalabilityBuild bare-metal and hybrid Kubernetes environments with real-world networking constraintsImplement BGP load balancing and LoadBalancer IPAM for external service exposureDesign modern ingress using Gateway API and Envoy-based L7 traffic managementConnect clusters with Cluster Mesh for multi-cluster and failover-ready architecturesGain deep visibility using Hubble, Prometheus, and GrafanaEnforce Zero Trust networking with L3–L7 policiesDetect runtime threats using Tetragon and eBPF-based security enforcementValidate and operate your platform through failure testing, performance tuning, and recovery workflowsThis book is built around practical labs and real deployment scenarios, not abstract explanations. Every chapter contributes to a complete production-grade system, culminating in a full-stack capstone where you build, test, and operate a real platform from scratch.What Makes This Book DifferentProduction-First Approach — Focused on real infrastructure, not toy examplesHands-On Practice Labs — Learn by building and validating each componentEnd-to-End System Design — From single cluster to hybrid multi-cluster platformIntegrated Observability and Security — Not add-ons, but core platform capabilitiesFailure-Driven Learning — Understand how systems behave under stress and how to recoverWho This Book Is ForThis book is designed for:Kubernetes engineers and platform engineersDevOps and SRE professionalsCloud and infrastructure architectsHomelab builders transitioning to production-grade systemsA basic understanding of Linux and Kubernetes concepts is helpful, but no prior experience with Cilium or eBPF is required.Why This Book MattersKubernetes is no longer just about running containers—it is about operating distributed systems at scale.Cilium represents the next evolution of that journey:Kernel-native networking with eBPFUnified networking, security, and observabilityScalable, multi-cluster, hybrid-ready architecturesThis book equips you with the skills to move from:deploying clustersto:designing, validating, and operating real-world Kubernetes platformsBy the end of this book, you won’t just understand Cilium.You will be able to:build a modern, production-ready Kubernetes networking platform—and run it with confidence. Read more