Both client and server side logging are taken care of via pino and you can pretty much treat it the same way you would use console logging.
By default the loggers are set up to log anything with a level of INFO or above. You can configure the log level by adding the following variables to a created .env.local file
NEXT_PUBLIC_LOGS_LEVEL=[LOGLEVEL]- set the logging level, default is info. Values can beerror,warn,infodebug