容器发布流程优化

[yihuan6]

What would you like to be added?

容器发布时，希望先部署新的容器，再去掉旧的容器

Why is this needed?

目前先去掉容器，节点较少的情况下，对剩下节点压力比较大

[wu8685]

Thanks for raising this requirement. We are already working on it. You can follow this issue #111 for updates.