https://xenby.com/b/276-%e6%95%99%e5%ad%b8-%e9%80%8f%e9%81%8e-webhook-%e5%b0%87-gitlab-%e4%ba%8b%e4%bb%b6%e9%80%9a%e7%9f%a5%e5%88%b0-slack-%e4%b8%8a
[教學] 透過 Webhook 將 GitLab 事件通知到 Slack 上