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How are hook resources named and prevented from clashing across syncs? How long does ArgoCD wait between sync waves? What is a PreSync hook typically used for? What is a PostSync hook typically used for? How do you notify an external system after a successful deployment using hooks? How do you seed initial data on first deployment only? How do hooks differ from plain resources with sync waves, and when do you choose each? How do you order a multi-tier application deployment with waves? How do you run post-deployment smoke tests and fail the sync if they fail? How do you coordinate hooks across multiple Applications (e.g., App of Apps)?
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ArgoCD › Sync Waves & Hooks

Can hooks use sync waves to order among themselves?

Intermediate

Answer

Yes—hooks honor the sync-wave annotation within their phase, so multiple PreSync hooks can be ordered (e.g., provision in wave -2, migrate in wave -1). This gives fine control over multi-step preparation or teardown sequences inside a single sync.
metadata:
  annotations:
    argocd.argoproj.io/hook: PreSync
    argocd.argoproj.io/sync-wave: "-1"
Real-world example Provisioning runs in an earlier PreSync wave than the migration that depends on it.

Common follow-ups: Do hooks respect waves? | How do you order two PreSync hooks?

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All 29 Sync Waves & Hooks questions