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Fixing Nginx Upstream Connection Refused and Permission Denied - Nginx Permission Denied Error for Access Log-Fix Docker Compose Environment Variable Substitution Failed

2026-07-28 13:28:30
Fixing Nginx Upstream Connection Refused and Permission Denied - Nginx Permission Denied Error for Access Log-Fix Docker Compose Environment Variable Substitution Failed

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

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