merge-request 3 GitLab CI × Slack Webhook | 가이드- MR 알림·Draft 토글·충돌 감지 2024/08/20 GitLab CI × Slack Webhook | 2. Freeze-Window 차단·MR 알림·외부 Include 자동화 2023/08/20 GitLab CI × Slack Webhook | 1. Freeze-Free MR Pipeline 설계 2023/08/20