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Docker Compose Environment Variable Not Working: Fixes - Fix Nginx 502 Bad Gateway: Upstream Connection Refused-Fix Nginx Upstream Connection Refused on Port 80

Updated 2026-07-28 18:03:32macos-help
Docker Compose Environment Variable Not Working: Fixes - Fix Nginx 502 Bad Gateway: Upstream Connection Refused-Fix Nginx Upstream Connection Refused on Port 80
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  • Match the tool to the workflow that fails most often, not only the feature list.
  • Keep export format, permissions, and automation limits in the final decision.

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