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More in App of Apps
How do you bootstrap a whole cluster with App of Apps? How does cascading deletion work with App of Apps? How do child applications reference different repos or paths? How do you add a new application in an App of Apps setup? How do you manage secrets for child apps in App of Apps? Can the parent app itself be managed by GitOps? How do you give teams ownership of their own child apps safely? How do you observe the health of all child apps at once? What are the risks of App of Apps and how do you mitigate them? How do you combine App of Apps with ApplicationSets?
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ArgoCD › App of Apps

How do you structure directories for an App of Apps repo?

Intermediate

Answer

A common layout has a root app pointing at an apps/ (or per-environment) directory of child Application manifests, with each child referencing its own manifests path. Separate directories per environment/cluster let one root per env manage that env's apps cleanly.
gitops/
  root-app.yaml
  apps/
    ingress.yaml
    monitoring.yaml
    service-a.yaml
Real-world example The prod root watches clusters/prod/apps/, a folder of that cluster's child Application manifests.

Common follow-ups: How do you separate environments? | Where do child manifests point?

Multi-cluster GitOps Principles App of Apps
All 28 App of Apps questions