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Fix npm run build Failure from Missing Env Variables - Node.js Package Compatibility: How to Verify Your Version-Nginx Upstream Connection Refused: Diagnosis and Fixes

Updated 2026-07-28 10:18:08developer-tools

Fix npm run build Failure from Missing Env Variables - Node.js Package Compatibility: How to Verify Your Version-Nginx Upstream Connection Refused: Diagnosis and Fixes

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