12factor.net

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Overview & More informations

12factor.net is not a website. It is a set of principles for building and deploying software applications. The 12 factors are:

1. Codebase: One codebase tracked in revision control, many deploys.


2. Dependencies: Explicitly declare and isolate dependencies.


3. Config: Store config in the environment.


4. Backing services: Treat backing services as attached resources.


5. Build, release, run: Strictly separate build, release, and run stages.


6. Processes: Execute the app as one or more stateless processes.


7. Port binding: Export services via port binding.


8. Concurrency: Scale out via the process model.


9. Disposability: Maximize robustness with fast startup and graceful shutdown.


10. Dev/prod parity: Keep development, staging, and production as similar as possible.


11. Logs: Treat logs as event streams.


12. Admin processes: Run admin/management tasks as one-off processes.

The 12-factor app methodology helps ensure that applications are portable, scalable, and maintainable. By following the 12 factors, developers can create applications that are easy to deploy and manage, and that can be scaled to meet changing demands.

12factor.net provides a set of tools and resources to help developers adopt the 12-factor methodology. These tools include a command-line interface (CLI) tool, a set of Docker images, and a collection of sample applications.

The 12-factor methodology is a widely adopted set of principles for building and deploying software applications. By following the 12 factors, developers can create applications that are portable, scalable, and maintainable.

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