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Fix Docker Compose 'port 8080 already allocated' Error - Fix npm run build Failure Due to Node Version Mismatch-Fix Missing Environment Variables in Docker Compose

Updated 2026-07-28 04:53:17developer-tools

Fix Docker Compose 'port 8080 already allocated' Error - Fix npm run build Failure Due to Node Version Mismatch-Fix Missing Environment Variables in Docker Compose

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.