Today, we are excited to announce Twelve-Factor is now an open source project. This is a special moment in the journey of Twelve-Factor over the years. Published over a decade ago by Heroku co-founder Adam Wiggins to codify the best practices for writing SaaS apps , the ideas espoused on that website inspired many generations of software engineers. Open sourcing 12-Factor is an important milestone to take the industry forward and codify best practices for the future. As the modern app archite...