A very basic Docker container with a bash script for deemon.
All the script does is add anything inside /config/monitored to be monitored, download the things being monitored, sleep (default 24 hours, can be changed with env SLEEP_TIME) and loop.
Due to a limitation of deemon (#33), you'll need to remove monitored items manually through the terminal.
To do this enter a shell using docker exec -it deemon-simple bash and then either remove the artist or reset the database.
This can also be used with other commands.