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klausmeyer/docker-registry-browser

A Ruby on Rails web interface for browsing and deleting images in a Docker Registry that implements the HTTP API V2.

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Last commit
4 days ago

What is it?

Docker Registry Browser is a web front end for private Docker registries that expose the Docker Registry HTTP API V2. It lets you see which repositories and tags a registry holds without running docker pull or curl against the API by hand.

The application is written in Ruby on Rails and ships as a Docker image. It runs on port 8080 and needs a SECRET_KEY_BASE environment variable, which can be generated with openssl rand -hex 64. Further configuration options are described in the project's documentation.

The interface covers an overview of repositories, a list of tags per repository, tag details, and tag deletion, as shown in the project's screenshots.

Key features

  • 01Lists repositories and their tags from a Docker Registry HTTP API V2 endpoint.
  • 02Shows details for individual image tags.
  • 03Supports deleting tags from the registry through the web UI.
  • 04Runs as a Docker container on port 8080, configured via environment variables.

Use cases

  • Browsing the contents of a self-hosted private Docker registry.
  • Cleaning up old or unwanted image tags in a registry.
  • Giving team members a read-oriented view of available images without CLI access.

Quick start

  1. 1

    Run the project with Docker, setting SECRET_KEY_BASE

    docker run --name registry-browser -e SECRET_KEY_BASE="..." -p 8080:8080 klausmeyer/docker-registry-browser
  2. 2

    Generate a SECRET_KEY_BASE value

    openssl rand -hex 64

Things to know

  • Configuration options are described only in an external documentation file, so setup needs extra reading.

Topics

#docker#docker-registry#ruby-on-rails#web-ui#containers#rails#ruby#user-interface#web-app

FAQ

What is docker-registry-browser?
A Ruby on Rails web interface for browsing and deleting images in a Docker Registry that implements the HTTP API V2. Docker Registry Browser is a web front end for private Docker registries that expose the Docker Registry HTTP API V2. It lets you see which repositories and tags a registry holds without running docker pull or curl against the API by hand.
Is docker-registry-browser free to use? What license does it have?
docker-registry-browser is open source under the MIT license. Check the license terms before using it in commercial products.
Is docker-registry-browser still maintained?
Actively maintained. The last commit to docker-registry-browser was on Nov 4, 2026.
What can I use docker-registry-browser for?
Browsing the contents of a self-hosted private Docker registry. Cleaning up old or unwanted image tags in a registry. Giving team members a read-oriented view of available images without CLI access.
How do I install docker-registry-browser?
Run the project with Docker, setting SECRET_KEY_BASE: docker run --name registry-browser -e SECRET_KEY_BASE="..." -p 8080:8080 klausmeyer/docker-registry-browser Generate a SECRET_KEY_BASE value: openssl rand -hex 64
Where can I get docker-registry-browser?
The source code and installation instructions are on GitHub: https://github.com/klausmeyer/docker-registry-browser

Summary generated by AI from the project's README. GitHub stats refresh daily.

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