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Argo CD GitOps Deployment Guide

Argo CD is a GitOps tool for automating Kubernetes cluster synchronization with a Git repository. This guide helps you set up Argo CD using a custom Helm chart.

Requirements:

Kubernetes cluster (v1.28+) kubectl (v1.28+) Helm (v3.13+) Public Git repository for Argo CD manifests Getting Started:

Create Custom Helm Chart:

Make a directory for the Helm "umbrella chart" (e.g., charts/argo-cd). Add a Chart.yaml file with dependencies on the Argo CD Helm chart. Create a values.yaml file to configure Argo CD settings. Generate Helm Chart Lock File:

Use Helm commands to add the Argo CD repository and update dependencies. Ignore the generated lock file (charts/argo-cd/Chart.lock) in version control. Push to Git Repository:

Add and commit the custom chart to your public Git repository. Install Argo CD:

Install Argo CD using the Helm chart. Access Argo CD UI:

Retrieve the NodePort service details (kubectl get services -n argocd argocd-service). Access the Argo CD UI in your browser using the provided NodePort. Usage:

Define workloads declaratively in YAML files and commit changes to the Git repository. Argo CD automatically synchronizes the cluster based on Git repository changes. Note:

Configuration is minimal in this guide, disabling unnecessary components. Ensure security measures for production deployments.