docker / docker/docker-py

Unexpected build-arg causes image to have no name or tag

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Dominant language
Python
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Description

First reported at docker/docker#23409

An unexpected build-arg does not raise any errors, but causes the resulting image to have no tag.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the unexpected build-arg behavior described in this issue and compare the resulting image metadata with the expected build outcome. Review the build-argument handling entry point and any related tests; done means the invalid argument produces an appropriate error or otherwise no longer creates an untagged image.

Written by the indexing model from the issue text.

Assessment

Tech stack
docker, python
Domain
api, devops
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
28/100

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