https://stackonward.com/zh/tags/docker-compose-%E5%8F%91%E5%B8%83/Recent content in Docker Compose 发布 on 远栈Hugozh-CNThu, 03 Sep 2026 21:12:38 +0800https://stackonward.com/zh/posts/single-server-short-downtime-deployment/Thu, 03 Sep 2026 02:25:00 +0800https://stackonward.com/zh/posts/single-server-short-downtime-deployment/<p>单机短停机发布的可靠顺序是：启动候选版本，等待业务就绪，校验并切换 Caddy 上游，从公开域名确认结果，排空旧连接，最后停止旧版本。旧容器不能在候选版本接管流量前删除。</p> <figure> <img src="https://stackonward.com/images/posts/single-server-short-downtime-deployment/zh/blue-green-release-flow.svg" alt="旧版本在 18080 提供流量，候选版本在 18081 启动并通过健康检查，Caddy 切换后验证公开域名，再排空旧连接" loading="lazy" decoding="async"> <figcaption>入口切换是唯一对外生效点；候选启动和预热都发生在切换之前。</figcaption> </figure> <h2 id="适用条件与限制">适用条件与限制</h2> <p>同一台主机同时运行蓝、绿两套应用实例，适合满足以下条件的服务：</p>