How to have Windows runner with Linux docker containers?

[boenrobot]

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I am contributing to MikroORM (a nodejs ORM) and trying to add support for running the test suite under Windows (see mikro-orm/mikro-orm#6021 ). The project needs real databases to connect to, which run in docker containers that get started before the test suite, and get terminated after.

It seems that the "docker" included with the Windows runner is using Windows containers. That seems like a reasonable default. However some of the database engines require Linux containers, so I need to switch to Linux containers.

Is there any way to make the Windows runner switch to Linux containers for docker?

Normally, when doing this locally, I would use DockerCli, but that doesn't seem to be available inside the Windows runner, so I'm not sure what to do next, or if that switch is even possible. If it's not possible any way, is there any chance for GitHub to provide an alternate runner that does use Linux containers?

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[boenrobot]

There is no more context I can add, so...

Dear github staff,

Whenever you have a little bit of free time from your enterprise customers, could you answer?