Run karma (using Firefox) against a provided configuration file.
Requires a bower.json file which contains the javascript deps for your tests. These deps will be installed in /bower/ within the container.
Example usage:
docker run -v $PWD:/app -v $PWD/data/karma:/data muccg/karma:latest karma /path/to/bower.json --log-level debug /app/path/to/karma.conf.js