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How does App of Apps differ from ApplicationSets? How do you order child application deployment 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 you add a new application in an App of Apps setup? How do you structure directories for an App of Apps repo? 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?
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ArgoCD › App of Apps

How do child applications reference different repos or paths?

Intermediate

Answer

Each child Application manifest has its own source (repoURL/path/targetRevision), so children can point at entirely different repos, chart paths, or revisions. The parent just aggregates the child manifests; each child independently defines where its manifests come from.
Real-world example One child pulls a Helm chart from a chart repo while another pulls Kustomize overlays from a Git monorepo.

Common follow-ups: Can children use different repos? | What does the parent actually manage?

Applications GitOps Principles App of Apps
All 28 App of Apps questions