import structlog

def setup_logging():
    structlog.configure(
        processors=[
            structlog.stdlib.add_log_level,
            structlog.stdlib.PositionalArgumentsFormatter(),
            structlog.processors.TimeStamper(fmt='iso'),
            structlog.processors.StackInfoRenderer(),
            structlog.dev.ConsoleRenderer(),
        ],
        wrapper_class=structlog.make_filtering_bound_logger(20),  # INFO
        context_class=dict,
        logger_factory=structlog.PrintLoggerFactory(),
    )

log = structlog.get_logger()