To start the app:
docker-compose build
docker-compose up
you need a praw.ini file in monitor folder.

To modify the list of reddits, modify subreddits.json, or replace it with another file and modify
accordingly in constants.py its name.

The script gets 1 new submission every second, to modify those limits edit
    "NEW_LIMIT": 1 - for how many new submissions
    "SLEEP_SECS": 1 - time to sleep between querying all subreddits again
in constants.py