Explore the principles and best practices of Twelve Factor apps in this 32-minute conference talk from Devoxx. Learn how to build Java applications for agility, rapid deployment, and continuous delivery while reducing onboarding time for new developers. Discover how to architect your apps to leverage modern cloud platforms and achieve maximum portability. Gain insights into structuring code, managing dependencies, storing configuration, running admin tasks, and capturing log files. Understand why these principles are beneficial for modern Java deployments and how they seamlessly integrate with cloud environments. Equip yourself with knowledge to create scalable applications that can grow without significant changes to tooling, architecture, or development practices.