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Docker Compose Environment Variable Not Set in Dockerfile - Fix 'Python Not Recognized' Error on Windows 11-Troubleshooting 502 Errors with Nginx and Docker Compose

2026-07-28 16:00:02
Docker Compose Environment Variable Not Set in Dockerfile - Fix 'Python Not Recognized' Error on Windows 11-Troubleshooting 502 Errors with Nginx and Docker Compose

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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