# Heroku Open Sources the Twelve-Factor App Definition

DevFeed: [Heroku Open Sources the Twelve-Factor App Definition](<https://devfeed.tech/articles/heroku-open-sources-the-twelve-factor-app-definition-26438.md>)

Original publisher: [Read original article](<https://www.heroku.com/blog/heroku-open-sources-twelve-factor-app-definition/>)

Author: Betty Junod

Published: 2024-11-12T17:15:00Z

Content type: release

Language: en

Sources: [Heroku](<https://devfeed.tech/sources/heroku.md>)

Topics: [Heroku](<https://devfeed.tech/topics/heroku.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Application Development](<https://devfeed.tech/topics/application-development.md>), [Software as a service](<https://devfeed.tech/topics/saas.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>), [Scalability](<https://devfeed.tech/topics/scalability.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [Containers](<https://devfeed.tech/topics/containers.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>)

Tags: [application-development](<https://devfeed.tech/tags/application-development.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [configuration](<https://devfeed.tech/tags/configuration.md>), [containers](<https://devfeed.tech/tags/containers.md>), [developer-tools](<https://devfeed.tech/tags/developer-tools.md>), [guide](<https://devfeed.tech/tags/guide.md>), [heroku](<https://devfeed.tech/tags/heroku.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [news](<https://devfeed.tech/tags/news.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [saas](<https://devfeed.tech/tags/saas.md>)

## AI overview

Heroku announces that the Twelve-Factor App definition is now an open source project. The article explains that the methodology codifies practices for building portable, scalable, and reliable cloud applications, including single codebases, explicit dependencies, environment-based configuration, and attached backing services.

## Source excerpt

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 the Twelve-Factor App website inspired many [...] The post Heroku Open Sources the Twelve-Factor App Definition appeared first on Heroku.