In this repository you've got API. It's purpose is to manage getting and inserting tracks into queue.
It also is responsible for WebSocket connections from frontend.
For development, use vagrant with ansible provisioning from different repository
For production (raspberryPi) use ansible provisioning, from the same repo.
If you don't want to use that, just run pip install -r requirements.txt.
gunicorn api:app -k aiohttp.worker.GunicornWebWorker -b localhost:5000