12-factor-app

name	12-factor-app
description	The Twelve-Factor App methodology for building scalable, maintainable cloud-native applications. Use when designing backend services, APIs, microservices, or any software-as-a-service application. Triggers on deployment patterns, configuration management, process architecture, logging, and infrastructure decisions.

Community Cloud-Native Applications Best Practices

Comprehensive methodology for building modern software-as-a-service applications that are portable, scalable, and maintainable. Contains 51 rules across 12 categories, covering the entire application lifecycle from codebase management to production operations.

When to Apply

Reference these guidelines when:

• Designing new backend services or APIs
• Containerizing applications for Kubernetes or Docker
• Setting up CI/CD pipelines
• Managing configuration across environments
• Implementing logging and monitoring
• Planning application scaling strategy
• Debugging deployment or environment issues

Rule Categories by Priority

Priority	Category	Impact	Prefix
1	Codebase & Version Control	CRITICAL	code-
2	Dependencies	CRITICAL	dep-
3	Configuration	CRITICAL	config-
4	Backing Services	HIGH	svc-
5	Build, Release, Run	HIGH	build-