[1] [CITE@ja[GitHub Actionsのワークフロー構文 - GitHub Docs]]
([TIME[2021-10-05T06:27:57.000Z]])
<https://docs.github.com/ja/actions/learn-github-actions/workflow-syntax-for-github-actions#example-using-status-check-functions>

[FIG(quote)[
[FIGCAPTION[
[2] [CITE@en[Workflow syntax for GitHub Actions - GitHub Docs]]
([TIME[2022-04-08T03:06:21.000Z]])
<https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#example-using-a-docker-hub-action>
]FIGCAPTION]

> docker://{image}:{tag}

]FIG]


[FIG(quote)[
[FIGCAPTION[
[3] [CITE@en[Workflow syntax for GitHub Actions - GitHub Docs]]
([TIME[2022-04-08T03:06:35.000Z]])
<https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#example-using-a-docker-hub-action>
]FIGCAPTION]

> docker://{host}/{image}:{tag}

]FIG]


[4] [CITE@en[GitHub - containers/skopeo: Work with remote images registries - retrieving information, images, signing content]], [TIME[2025-10-20T07:39:28.000Z]] <https://github.com/containers/skopeo>