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Fix Nginx 502 Bad Gateway with Docker Socket - npm Permission Denied Error Checklist-Resolve Node Version Mismatch in npm install

2026-07-28 13:55:42

Fix Nginx 502 Bad Gateway with Docker Socket - npm Permission Denied Error Checklist-Resolve Node Version Mismatch in npm install

Result check

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