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Docker Compose Environment Variable from Shell Not Working: Fixes - Nginx 502 Upstream Connection Refused Guide-Fix Python UnicodeDecodeError on Windows: Common Causes & Solutions

Updated 2026-07-28 10:12:21office-tools
Docker Compose Environment Variable from Shell Not Working: Fixes - Nginx 502 Upstream Connection Refused Guide-Fix Python UnicodeDecodeError on Windows: Common Causes & Solutions
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.

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