GH-200: GitHub ActionsDemo

Question

As a developer, you are using a Docker container action in your workflow. What must be in place for the action to run successfully?

A The job env must be set to a Linux environment.
B The action must be published to the GitHub Marketplace.
C The referenced action must be hosted on Docker Hub.
D The job runs-on must specify a Linux machine with Docker installed.

Explanation

Docker container actions must run on a Linux runner. For self-hosted runners, Docker must be installed; therefore, the job’s runs-on configuration must target a Linux machine with Docker available. GitHub’s workflow syntax documentation states that Docker container actions require a Linux runner and that self-hosted Linux runners require Docker to be installed.

Learn more

Workflow syntax for GitHub Actions

GH-200: GitHub ActionsDemo

AstroTutor

Notes

Readiness

QuestionQ3

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