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Docker Container Exits Immediately: 'Command Not Found' Fix - Python pip Install Permission Denied: Causes and Solutions-Resolve Nginx 502 Bad Gateway for Docker Containers

Updated 2026-07-28 12:53:26developer-tools
Docker Container Exits Immediately: 'Command Not Found' Fix - Python pip Install Permission Denied: Causes and Solutions-Resolve Nginx 502 Bad Gateway for Docker Containers
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.