The docs have examples: https://docs.github.com/en/actions/using-jobs/running-jobs-in-a-container https://docs.github.com/en/actions/using-jobs/running-jobs-i..

The docs have examples: https://docs.github.com/en/actions/using-jobs/running-jobs-in-a-container https://docs.github.com/en/actions/using-jobs/running-jobs-i... Basically you set `container.image`.