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ArgoCD ApplicationSet Examples

This repository contains examples of using ArgoCD ApplicationSet to manage Kubernetes applications at scale. It demonstrates different patterns for automating application deployments using generators and project configurations.

📂 Repository Structure

  • argocdappset/ – Example ArgoCD ApplicationSet definitions.
  • dev/ – Development-specific configuration (e.g., replica count changes).
  • list-generator-example/ – Example using the List Generator for creating multiple apps.
  • proj/ – ArgoCD Project configuration (argoproj.yaml) for scoping and permissions.
  • applicationset.yaml – ApplicationSet manifest for deploying multiple apps.
  • argoapp.yaml – Standard ArgoCD Application manifest example.
  • argoproj.yaml – Full project definition for ArgoCD.
  • a.txt – Placeholder/test file.

🚀 Features Demonstrated

  • Using ApplicationSets for dynamic app management.
  • Managing multiple environments (e.g., dev).
  • Applying replica count changes via GitOps.
  • Creating projects to control RBAC and app boundaries.
  • Examples with List Generator for bulk app creation.

🛠️ Usage

  1. Install ArgoCD on your Kubernetes cluster:

    kubectl create namespace argocd
kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

  2. Apply an ApplicationSet manifest:

    kubectl apply -f applicationset.yaml -n argocd

  3. Verify apps created:

    kubectl get applications -n argocd

📖 References