fifteen-factor-app
Fifteen-Factor App Methodology
Overview
The Fifteen-Factor App methodology extends the original Twelve-Factor App principles (created by Heroku in 2012) with three additional factors essential for modern cloud-native applications: API First, Telemetry, and Security.
This methodology provides architectural principles and guidelines for building software-as-a-service applications that are:
- Performant - Optimised for speed and efficiency
- Scalable - Designed for horizontal scaling without significant changes
- Manageable - Easy to deploy, monitor, and maintain
- Resilient - Robust against failures with graceful degradation
When to Apply This Methodology
Apply the Fifteen-Factor principles during:
- Architecture Planning - When designing new applications or microservices
- PRP/PRD Creation - When documenting technical requirements and specifications
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