import json

with open('/etc/config_yourbookshelf.json') as config_file:
    config = json.load(config_file) # makes config a dict

class Config:
    SECRET_KEY = config.get('SECRET_KEY')
    SQLALCHEMY_DATABASE_URI = config.get('SQLALCHEMY_DATABASE_URI')
    TMDB_API_KEY = config.get('TMDB_API_KEY')
    GOOGLE_API_KEY = config.get('GOOGLE_API_KEY')