Well if you really want to talk to "state-of-the-art" the closest would be the principle of "12-factor application." So basically everything goes through stdout and stderr, and the dameon running the server (like monit or supervisord) just captures them and redirect to a stdout file and a stderr file.
Not hard, just so many people including myself is used to writing logger....
Not hard, just so many people including myself is used to writing logger....