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How do you view and manage Applications via the ArgoCD CLI? What namespace do ArgoCD Application resources live in? What is the targetRevision HEAD and when should you avoid it? How do you deploy a Helm chart with ArgoCD and override values? What is the difference between manual and automated sync policy? What does the prune option do in a sync policy? What is selfHeal and when should you use it? How do you pin an Application to a specific Git revision or tag? What are ignoreDifferences and why are they needed? How does ArgoCD track which resources belong to an Application?
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How do you use Kustomize with an ArgoCD Application?

Intermediate

Answer

Point the source path at a directory containing a kustomization.yaml; ArgoCD runs `kustomize build` to render manifests. You can set images, name prefixes/suffixes, and common labels via the kustomize section, and structure base + overlays per environment so each Application references the right overlay.
source:
  path: overlays/production
  kustomize:
    images:
      - myapp=myrepo/myapp:v2.0
    namePrefix: prod-
Real-world example The production Application points at overlays/production, which patches the shared base with prod-specific replicas and image tags.

Common follow-ups: What is a base vs overlay? | How do you override the image with Kustomize?

GitOps Principles Multi-cluster Applications
All 29 Applications questions