docker - 什么是 Sidekick 容器？

Question

创建新服务时，可以向其添加“sidekick 容器”。什么是 Sidekick 容器？它与“普通”服务容器有何不同？

Answer 1

TLDR:Sidekicks 是普通服务，但异常(exception)情况是，自动启用“主”服务和 sidekicks 之间的 dns 解析，并且容器 bundle 等比例缩放并部署在相同的主机上。

根据Rancher v1.3 documentation :

Rancher supports the colocation, scheduling, and lock step scaling of a set of services by allowing users to group these services by using the notion of sidekicks

此外，

When defining a sidekick to a service, you do not need to link the services as sidekicks are automatically