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Fix Docker Compose Environment Variable Default Value Not Used - Git Push Rejected Not Fast Forward Guide-Fixing 'Context Canceled' Errors During Docker Image Builds

Updated 2026-07-28 09:22:02developer-tools

Fix Docker Compose Environment Variable Default Value Not Used - Git Push Rejected Not Fast Forward Guide-Fixing 'Context Canceled' Errors During Docker Image Builds

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.