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We accidentally deleted production, but we made it not matter all that much

Talkat DevOpsDays Amsterdam 2025 · 2025-06-18..06-20· [devops-and-delivery]
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A tiny change causes production to go away: deleting two deleted variables from an external secret operator triggers deployment automation, because Arguscd saw the secret gone for 10 milliseconds and interprets that as an undeploy. A subset of clusters actually un-deploy and the site is offline for 21 minutes across a few workload clusters before the secret returns and Argo redeploys; automation spreads both failures and fixes quickly, and the GitOps pipeline proves capable of fast recovery.

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