Ржавый бункер - моя свобода
«You are probably used to reading warnings like:
"For a real application, don't forget to add validation and proper error handling."
or
"Security is left as an exercise to the reader."
or
"You will of course need to write tests."
What? These things are serious business.»
из документации.

Да-да, serious business. Серьезно.