Argo CD GitOps: Operating Kubernetes Deployments with Drift Control

"Argo CD GitOps: Operating Kubernetes Deployments with Drift Control"

This book is for platform engineers, SREs, and senior Kubernetes practitioners who already deploy at scale—and now need deployments to behave like a reliable control system. Rather than treating GitOps as “kubectl, but from Git,” it frames Argo CD as an always-on reconciler that must be engineered, secured, and operated with the same rigor as any production control plane. If you’re tired of phantom drift, brittle syncs, and unclear ownership boundaries, this book targets the real mechanics behind those failures.

You’ll build a precise mental model of desired vs live state, reconciliation dynamics, and Kubernetes apply/field-ownership semantics, then map that understanding to how Argo CD actually renders, diffs, assesses health, and syncs. Core chapters dive into Application and AppProject CRDs as an API you design for safety; deterministic manifest generation across Helm/Kustomize/plugins; drift noise suppression with diff normalization; and drift-control policies such as auto-sync, self-heal, pruning, and production-grade sync options. At scale, you’ll learn orchestration with sync waves and hooks, composition via App-of-Apps, and fleet automation with ApplicationSets—alongside the decision criteria and failure modes that matter in real estates.

Prerequisites: strong Kubernetes fundamentals and comfort with Git-based workflows. The emphasis is day-2 operations—security (RBAC/SSO, secrets), multi-cluster patterns, upgrades across major versions, observability/auditability, and HA/scaling—so you can det

© 2026 NobleTrex Press (كتاب إلكتروني): 6610001187712

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