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Docker Nginx 502 Bad Gateway: Memory Limit Fix - Resolving Nginx Upstream Refused Errors with Cloudflare-Windows Defender Real-Time Protection Keeps Disabling Automatically

Updated 2026-07-28 13:36:23macos-help
Docker Nginx 502 Bad Gateway: Memory Limit Fix - Resolving Nginx Upstream Refused Errors with Cloudflare-Windows Defender Real-Time Protection Keeps Disabling Automatically
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.