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Fix npm run build Failure from Missing Env Variables - Resolve Docker Build Canceled by Excluding Files-How to Fix Docker Build Context Canceled Error

2026-07-28 13:20:43
Fix npm run build Failure from Missing Env Variables - Resolve Docker Build Canceled by Excluding Files-How to Fix Docker Build Context Canceled Error

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

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