

Heroku Moved Twelve-Factor Apps to Open Source. What’s Next?
10 snips Jan 2, 2025
Gail Frederick, CTO at Heroku Salesforce, champions developer productivity and community-driven innovation. She reveals the open-sourcing of the Twelve-Factor App methodology, aimed at modernizing cloud development practices. Gail discusses updating outdated elements like logging, while introducing new concepts for telemetry and metrics visualization. The talk highlights the significance of diverse contributions in open source and Heroku's adoption of Kubernetes to enhance performance. Plus, they explore AI integration, ensuring that the methodology evolves with emerging technologies.
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Updating 12-Factor App
- The 12-Factor app methodology, while influential, needs updates.
- Some areas are outdated due to the evolution of cloud-native development since 2011.
Modernizing Logging
- Treat logs as event streams and incorporate telemetry and metrics.
- Define best practices for emitting and visualizing application metrics.
Community-Driven Updates
- The open-sourced 12-Factor App project invites community contributions for modernization.
- Maintainers from various tech companies will guide non-disruptive updates with reference architectures and code examples.