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Docker Compose Environment Variable Not Set in Dockerfile - Nginx 502 Error with Docker WordPress: Fixes-Docker System DF No Space Left Error Fix

Updated 2026-07-28 23:59:59macos-help

Docker Compose Environment Variable Not Set in Dockerfile - Nginx 502 Error with Docker WordPress: Fixes-Docker System DF No Space Left Error Fix

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.