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GitOps the Hard Way, with Argo CD

Build Real GitOps Pipelines From Empty Clusters to Automated Deploys

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GitOps the Hard Way, with Argo CD

Build Real GitOps Pipelines From Empty Clusters to Automated Deploys

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Table of Contents

Why This Book Exists

Who This Guide Is For

What You Will Learn

About the Author

Join the Community

Your Feedback Matters

How to Get the Most Out …

What This Book Asks of Y…

What Argo CD Actually Do…

Where Argo CD Came From,…

Argo CD in One Sentence,…

Declare the Outcome, Not…

Why Servers Should Be Di…

Inside Argo CD: The Comp…

The Seven Parts That Mak…

How a Change Travels Fro…

Stand Up the Lab: Two Se…

The Infrastructure

The Application

Install Argo CD: From ku…

The Four Install Methods…

Deploying Argo CD With t…

Reaching the Argo CD Web…

Installing the Argo CD C…

Configuring the Argo CD …

Logging in With a Token

Adding More Clusters

Argo CD Configuration

Your First Argo CD Appli…

Creating an Application …

A Better Way: Define the…

Sync Policy: Every Field…

Reading the Application …

Automating Synchronizati…

Spreading the Load With …

Auto-Sync and Self-Heali…

Pruning Resources

What Happens to Resource…

Retrying Failed Sync Att…

Ignoring Differences Dur…

Skipping Schema Validati…

Syncing Only the Resourc…

Overwriting Resources In…

Letting the API Server C…

Failing the Sync When Tw…

Creating the Destination…

Adding Labels and Annota…

Limiting How Many Sync R…

A Recap Exercise

Sync Phases and Hooks: R…

A Sync Runs in Phases

Your First Hook: A PostS…

Cleaning Up Hook Resourc…

The Other Phases

Ordering Within a Phase:…

What Happens if a Hook F…

Local Users and RBAC: Gi…

"Creating a User" Is Two…

Step 1: Create the Accou…

Step 2: Grant Rights

Verify the Grant Resolved

Argo CD With Helm: Chart…

Helm vs. Plain Kubernete…

Creating a Helm Chart fo…

Deploying the Helm Chart…

Understanding Helm Chart…

Creating a Helm Package

Creating a Helm Reposito…

Deploying Helm Charts Wi…

Upgrading the Helm Chart

Overriding the Helm Char…

Using Multiple Sources f…

Helm Hooks vs. Argo CD H…

ApplicationSets: Generat…

The problem ApplicationS…

Prerequisite: The CRDs

The ApplicationSet: a Li…

Doing More with the Appl…

Practicing the Applicati…

Multi-Branch CI/CD: One …

Goal: A Live Environment…

Design and Implementation

Afterword: Where to Go F…

Your Feedback Matters

Metadata

Author(s): Aymen El Amri (eon01)

Created: June 06, 2026

Last Updated: June 06, 2026

Author's Progress: 100%

Version: v2

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