The 12 factor app methodology was created by developers at Heroku after their experience working with hundreds of thousands of apps on the Heroku platform. They noticed that successful apps shared a core set of things in common. First published in 2012, the 12 Factor App attempts to distill these commonalities into 12 principals. But the 12 Factor App is now over 7 years old which is several lifetimes in the technology world. Is it still applicable to today’s modern, cloud-native applications? In this episode of Mobycast, Jon and Chris go through the 12 factors explaining each one in detail and debating its relevance to today’s cloud-native applications.