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Fix Docker Pull Access Denied in CI/CD Pipeline - Cloudflare 521 Error: Authenticated Origin Pulls Setup-CMD Commands to Fix ERR_NAME_NOT_RESOLVED Error

Updated 2026-07-28 16:59:04cloud-software
Fix Docker Pull Access Denied in CI/CD Pipeline - Cloudflare 521 Error: Authenticated Origin Pulls Setup-CMD Commands to Fix ERR_NAME_NOT_RESOLVED Error
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

More repair notes

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