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Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Troubleshooting Node.js Heap Out of Memory (Code 134)-Increase Node.js Memory Limit for npm Scripts

2026-07-28 09:27:01
Fix Nginx 502 Bad Gateway: Upstream Connection Refused - Troubleshooting Node.js Heap Out of Memory (Code 134)-Increase Node.js Memory Limit for npm Scripts

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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