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Baton is a Composer dependency analytics tool which helps you keep track of the Composer dependencies in your PHP projects.


Visit to see Baton in action.

Installing / Getting started

Clone the project

git clone
cd baton

Using Docker Compose

Start a local version via docker-compose:

docker-compose up

When the docker containers finished building, you can find the project running at http://localhost:8000/. If you cannot use Port 8000, you can use another one by defining the environment variable HTTP_PORT:

HTTP_PORT=9000 docker-compose up

You might want to use a .env file:

cp env-example .env
docker compose up

Without Docker

You might need to enter your proper MySQL-credentials in src/config.yml.

To get the project up and running you simply need to run these commands:

composer install
npm start
bin/console doctrine:database:create --if-not-exists
bin/console doctrine:schema:update --force
bin/console server:run --docroot=www

Optionally run bin/console doctrine:fixtures:load to import some generated projects.


Baton has Unit-Tests! Execute bin/phpunit to run them.


In order to import private repositories from GitHub you need to provide an OAuth token.

Set it as the value of the environment variable GITHUB_OAUTH_TOKEN on your server and you're good to go.

The same goes for Kiln repositories. Store your Kiln OAuth token in the KILN_OAUTH_TOKEN environment variable on your server.


Import Projects

Use the webhook route /webhook to import/update repositories on push events (tested with GitHub and Kiln).

You can also import projects by repository URL through the Symfony Command app:import-project or the form at /import-repositories.

Search Package Usages

Use the search form to find projects that use a Composer package matching a specific version range.

The search form fetches the results from /usage-search/{package};{_format}/{operator}/{versionString}, while _format can be json or html.

Other Views

Show project with list of Composer dependencies and their locked versions.

Show Composer Package with list of using projects grouped by version.


Right now private repositories are only supported for projects hosted on GitHub or Kiln using OAuth tokens for authentication. A more general approach would be to use ssh URLs for importing repositories and pass an authorized ssh identity to the VCS.


We love feedback :-)

Pull requests welcome!


Baton was created by @xkons as graduation project for his apprenticeship in software development.

The total implementation time was limited to 32 hours by the Industrie Handelskammer Bonn, the main entity for apprenticeships in its area, which also grades the apprentices.

This is the final commit from the initial implementation in the given timeframe: a812a21

Credits, Copyright and License

This project was started at the webfactory GmbH, Bonn.

Copyright 2018 webfactory GmbH, Bonn. Code released under the MIT license.


Baton is a Composer dependency analytics tool which helps you keep track of the dependencies in your PHP projects.








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