# KodeKloud: Beta Courses 12 Factor App

## 12 Factor App

### Introduction

- [Introduction](https://notes.kodekloud.com/docs/12-Factor-App/Introduction/Introduction/page.md): This lesson covers the 12-Factor App methodology for building scalable and manageable cloud-native applications.
- [Why 12 Factor app](https://notes.kodekloud.com/docs/12-Factor-App/Introduction/Why-12-Factor-app/page.md): The article discusses the Twelve-Factor App methodology for building scalable, resilient, and maintainable applications in modern cloud environments.

### Twelve-Factor App methodology

- [Codebase](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Codebase/page.md): This article explores the 12-Factor App methodology with a simple example using Python and Flask to guide scalable application development.
- [Dependencies](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Dependencies/page.md): This article explores declaring and isolating dependencies in the 12-Factor App methodology using Flask and discusses best practices for managing them.
- [Concurrency](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Concurrency/page.md): This article explores concurrency as a key concept in application design, focusing on horizontal scaling and its benefits for handling increased load.
- [Processes](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Processes/page.md): This article explores the design of stateless processes in the 12 Factor App methodology for scaling applications and maintaining consistency.
- [Backing Services](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Backing-Services/page.md): Backing services are external resources your application relies on, enabling consistent integration and flexibility across different deployment environments.
- [Config](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Config/page.md): This article explores externalizing application configuration to support different environments, enhancing flexibility and security while reducing errors.
- [Build Release and Run](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Build-Release-and-Run/page.md): This article explores the deployment process phases  Build, Release, and Run, emphasizing their separation to minimize downtime and enhance consistency.
- [Port Binding](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Port-Binding/page.md): This article explains port-binding in Flask applications, highlighting how to access them and the importance of unique ports in multi-service environments.
- [Disposability](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Disposability/page.md): This article explores the principle of disposability in application processes, emphasizing quick startups, graceful shutdowns, and their importance for dynamic scaling.
- [Dev Prod Parity](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Dev-Prod-Parity/page.md): This article discusses the importance of maintaining consistency between development and production environments to streamline deployment and enhance application performance.
- [Logs](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Logs/page.md): This article explores the logging mechanism of an application, detailing its importance for monitoring, troubleshooting, and various storage approaches.
- [Admin Processes](https://notes.kodekloud.com/docs/12-Factor-App/Twelve-Factor-App-methodology/Admin-Processes/page.md): This article discusses the importance of isolating administrative tasks from main application processes in the 12-Factor App methodology.

### Conclusion

- [Conclusion](https://notes.kodekloud.com/docs/12-Factor-App/Conclusion/Conclusion/page.md): This article provides insights and examples for building scalable, resilient, and maintainable cloud-native applications using the 12-Factor App methodology.