매 Quality Gate 는 SonarQube 의 pass/fail decision mechanism — 매 PR 머지 / release 차단 trigger.
매 default "Sonar way" gate: new code coverage ≥ 80%, duplicated lines ≤ 3%, maintainability/reliability/security rating A, no new blocker/critical issues.
매 "Clean as You Code" 정책 — 매 new code 만 strict, legacy 는 점진 개선.
매 CI 통합: GitHub Actions / GitLab / Jenkins 의 sonar-scanner step 후 sonar.qualitygate.wait=true 로 block.
매 custom gate 의 정의 가능 — 매 condition 별 threshold (e.g. cognitive complexity, security hotspots reviewed %).