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Fix Docker Compose Environment Variable Not Set on Build - How to Fix Missing Module Error in npm Build-How to Resolve Port 5432 Already Allocated in Docker

Updated 2026-07-28 07:16:02macos-help

Fix Docker Compose Environment Variable Not Set on Build - How to Fix Missing Module Error in npm Build-How to Resolve Port 5432 Already Allocated in Docker

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.