Docker Build Error When Using org.opencontainers.image.* Labels #25435

varunsridharan · 2020-10-21T12:14:13Z

varunsridharan
Oct 21, 2020

I am using org.opencontainers.image.* labels in my docker file and while building using github actions it kees throwing errors

Actions Log :

GitHub

varunsridharan/actions-alpine

Customized Version of Alpine OS With Github Actions Toolkit Buitin - varunsridharan/actions-alpine

DockerFile:

github.com/varunsridharan/actions-alpine

Updated

<div class="github-info">
  <div class="date">
    committed <span class="discourse-local-date" data-format="ll" data-date="2020-10-21" data-time="11:56:00" data-timezone="UTC">11:56AM - 21 Oct 20 UTC</span>
  </div>

  <div class="user">
    <a href="https://github.com/varunsridharan" target="_blank" rel="noopener nofollow ugc">
      <img alt="varunsridharan" src="https://user-images.githubusercontent.com/1884287/181091123-f8dc1bc6-5fbe-4504-9dd3-e00fc5e87957.jpeg" class="onebox-avatar-inline" width="20" height="20">
      varunsridharan
    </a>
    
  </div>

  <div class="lines" title="changed 1 files with 0 additions and 1 deletions">
    <a href="https://github.com/varunsridharan/actions-alpine/commit/ed24b1bf0c78b5eae07d083003ef48762f78f304" target="_blank" rel="noopener nofollow ugc">
      <span class="added">+0</span>
      <span class="removed">-1</span>
    </a>
  </div>
</div>

Answered by airtower-luna

Oct 21, 2020

There’s a backslash missing at the end of the first line of the LABEL instruction in your Dockerfile. That makes Docker interpret the second label as another instruction instead of as part of a label list, and because org.opencontainers.image.authors is no valid Dockerfile instruction it fails.

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airtower-luna · 2020-10-21T17:18:35Z

airtower-luna
Oct 21, 2020

There’s a backslash missing at the end of the first line of the LABEL instruction in your Dockerfile. That makes Docker interpret the second label as another instruction instead of as part of a label list, and because org.opencontainers.image.authors is no valid Dockerfile instruction it fails.

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Docker Build Error When Using org.opencontainers.image.* Labels #25435

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Docker Build Error When Using org.opencontainers.image.* Labels #25435

varunsridharan Oct 21, 2020

varunsridharan/actions-alpine

Updated

Replies: 1 comment

airtower-luna Oct 21, 2020

varunsridharan
Oct 21, 2020

airtower-luna
Oct 21, 2020