logging.ini

[loggers]
keys=root

[handlers]
keys=stream_handler

[formatters]
keys=json

[logger_root]
level=INFO
handlers=stream_handler

[handler_stream_handler]
class=StreamHandler
level=INFO
formatter=json
args=(sys.stderr,)

[formatter_json]
format = %(asctime)s %(name)-12s %(levelname)-8s %(message)s
class = pythonjsonlogger.jsonlogger.JsonFormatter