init: 클린 아키텍처 백엔드

2026-07-24 14:29:36 +09:00
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+---
+title: Runbook — STARTUP_VALIDATION_FAILED (환경 변수 검증 실패)
+category: INTERNAL
+error_codes: [STARTUP_VALIDATION_FAILED]
+severity: P1
+owner: oncall
+last_updated: 2026-06-15
+status: stub
+---
+
+# Runbook: STARTUP_VALIDATION_FAILED (`runbook://startup/validation-failed`)
+
+## Symptoms
+
+- Container exits with code 78 (env validation failure exit)
+- Structured log with `error.code=STARTUP_VALIDATION_FAILED`, `startup.phase=env-validation`
+
+## Diagnosis
+
+- Check which required env variable is missing or malformed
+- Review container environment and secrets injection
+
+## Action
+
+- Supply missing environment variables to deployment
+- Verify secrets are correctly mounted / injected
+
+## Escalation
+
+- P1: app cannot start; coordinate with deployment/secrets team
+
+---
+
+> **Stub**: Phase D2 — author body after domain adoption. (feature-operational-runbook-contract D9)