[Enhancement]: Add ability to supply network to ryuk container

Module

Core

Synopsis

This is required due to one aspect of rootless podman networking:

https://docs.podman.io/en/latest/markdown/podman-run.1.html#network-mode-net

This implies that network is not picked up when runnig podman in rooless mode thus making it impossible for ryuk to communicate with other containers even if they were started with --network=bridge network

Proposal

Tescontainer can run using custom network (auto created via Network.createNetwork() or external) and ryuk in this case cannot be customized to use the same custom network. Some environmet can have restrictions on default network, or even have different access to each other. In this case ryuk could not see the containers at all.

Since Testcontainer already has custom env varible to override some functionality will be great to have custom varible to define:

• custom expose port for ryuk
• custom network name which ryuk container should connect during creation

Workaround in this case disable ryuk only.

首先跟踪 Ryuk 容器的创建过程，以及 Core 模块中现有的环境变量覆盖机制。确认如何提供自定义网络和暴露端口，然后添加覆盖测试，验证 Ryuk 加入请求的网络并可通过配置的端口访问。