testcontainers / testcontainers/testcontainers-java
Parse Docker images of `<name>:<tag>@sha256:<hash>` format
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- Java
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Description
Currently, DockerImageName doesn't support image names in <name>:<tag>@sha256:<hash> format, as it expects image name to be in one of these formats:
<name>:<tag><name>@sha256:<hash>
However, <name>:<tag>@sha256:<hash> is a valid Docker image name format. Could you please add its support?
As a result, I expect DockerImageName to ignore tags of such image names and work with hash only. Tags can be returned via toString().
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Locate the DockerImageName parser and its existing tests for tag-only and digest-only formats. Start by tracing how the name and digest are parsed, then verify the combined name:tag@sha256:hash form is accepted, tags are ignored for lookup, and toString() preserves them. Add or update focused parser tests to demonstrate the completed behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, java
- Domain
- testing
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100