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docker-library

repo-info

Extended information (especially license and layer details) about the published Official Images

606 stars358 forksPerlApache-2.0
DEEP OPEN-SOURCE ANALYSIS

Repo-info generates extended reports for Docker official images

Repo-info is a set of scripts that build extended information reports, especially license and layer details, for published Docker official images.

What the repository is for

The README states this repository includes a set of scripts for generating reports of extended information about published official image repositories. The focus is on details that are not obvious from a plain image pull, especially license information and layer details. The project is associated with the Docker official images effort, and the scripts are meant to produce human readable reports that accompany the images. The README is short and describes the work as a firm work in progress, and it welcomes concrete suggestions for improvement in both gathering and presentation. Two automated jobs are referenced: an update-remote script and a scan-local script, one per repository, with build status badges pointing to the continuous integration that runs them. For someone consuming official images, the value is that the reports surface what is inside a given image and under what license, which matters for compliance and for understanding the build. The repository is therefore a supporting tool for the broader official images ecosystem rather than a standalone application, and its output is the documentation that sits alongside each published image in the official images catalog. Its output is the documentation that sits alongside each published image in the official images catalog, bridging the gap between a blob and compliance questions.

How the reports are produced

The README mentions two main scripts by name. update-remote is the automated job that refreshes remote information, and scan-local is the job that scans a locally available image, with one job per repository. The badges in the README link to the job status pages, indicating these scripts run on a schedule as part of the official images pipeline. Although the README does not spell out the internal steps, the stated purpose is to gather extended information, with license and layer details called out specifically. Layer details typically mean the ordered set of filesystem layers that make up an image, their sizes, and how they were produced, while license details mean the set of software licenses present in the image. Producing these reports by script keeps them consistent across many images and lets them be regenerated as images are rebuilt. The work in progress note suggests the exact gathering and presentation may change, and the README explicitly asks for concrete suggestions, which signals the maintainers want practical feedback rather than vague praise. The split between remote and local scans covers both the published state and a builder own copy. The split between remote and local scans covers both the published state and a builder own copy, which is useful during image preparation.

Scope and limitations

Because the README is brief, the realistic summary is that repo-info is a maintenance and reporting tool for a specific ecosystem: the Docker official images. It is not a general image scanner for arbitrary registries, and it is not presented as a finished product with a fixed interface. The emphasis on license and layer details fits the needs of users who must audit what they deploy, since official images are widely used as base images and their contents shift over time. The work in progress status means the reports and the scripts behind them may evolve, and the invitation for suggestions shows the project is open to directed contributions. A reader should treat the repository as infrastructure that supports the official images documentation, useful to those who maintain or audit images but not a tool with a broad standalone feature set. The limited README length reflects the narrow, operational purpose of the code, and the absence of a user guide implies the audience is other maintainers rather than end users who simply pull images. The limited README length reflects the narrow, operational purpose of the code, and the lack of a user guide implies the audience is other maintainers of the project.

Licensing and provenance

The repository carries the Apache-2.0 license, which permits use, modification and redistribution with attribution and a license notice. The project is part of the docker-library organization, which maintains the official images and their supporting tooling, so the provenance is tied to the Docker open source effort. The README references automated jobs hosted on the info siftr continuous integration, which is the build infrastructure used for official images. For a directory of GitHub projects, repo-info is best described as a behind the scenes reporting utility that makes official image contents and licenses visible, rather than an end user application. Its small README and explicit work in progress status are consistent with a focused internal tool. The reports it generates help close the gap between an opaque image blob and the compliance questions a team must answer before shipping. The project is published under the Apache-2.0 license and its most recent commit was on 2026-08-26. Note: this is a maintained Docker project, not a third party utility, which explains its lean documentation style. The reports it generates help close the gap between an opaque image and the compliance questions a team must answer before shipping it within their pipeline to production in a real deployment.

Editorial conclusion

Repo-info is a Docker maintained set of scripts that report extended information about official images, and it is published under the Apache-2.0 license with its most recent commit on 2026-08-26.

DEEP OPEN-SOURCE ANALYSIS

Official sources

Community notes

Community notes