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mediumJPMorgan ChaseInfosysTCS

Private registry pulls started failing ImagePullBackOff overnight. Walk me through the credential chain.

Pull auth resolves on the node before any container exists. Ordering the credential chain and reading 401 against 403 against 429 in the events turns this into a minutes-long diagnosis; without it the only move left is rotating secrets blind.

Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Pull auth resolves on the node before any container exists. Ordering the credential chain and reading 401 against 403 against 429 in the events turns this into a minutes-long diagnosis; without it the only move left is rotating secrets blind.

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