Cloud native Fifteen Factor Apps


A few years back Heroku published a set of guidelines for building and deploying applications which became known as 12 Factor App. These are guiding principles for developing, operating and deploying Web apps or software-as-a-service (SaaS). Over a period of time, as cloud adoption increased and microservices became popular there are additional factors which got added. We also saw changes in the application integration space with more real-time processing gaining popularity. We now have event driven microservices which empower organisations to leverage data to get more value using event driven architecture.

15 Factor Apps series

In order to understand the 15 factors better, I am creating this series of YouTube videos. We will cover all the 15 factors in different parts. Below is the picture showing the initial 12 factors as described in the and then we also have the next picture showing the additional 3 factors as part of the 15 factors. 

12 Factor Apps

Here is a list of 15 Factors which help to make the modern cloud-native applications highly scalable, resilient and portable:

  • Codebase - one codebase tracked in version control, many deploys
  • Dependencies - Explicitly declare and isolate dependencies
  • Config - store config in environment
  • Backing services - treat backing service as an attached resource
  • Build, release and run - strictly separate build and run phases
  • Processes - execute app as one or more stateless processes
  • Port binding - expose services via port binding
  • Concurrency - scale-out via process model
  • Disposability - maximize robustness with fast startup and graceful shutdown
  • Dev/Prod parity - keep development, staging and production as similar as possible
  • Logs - treat logs as stream of events
  • Admin processes - Run admin/management tasks as one-off process
  • API first - define service contract
  • Telemetry - monitor process performance
  • Authentication - secure applications across hardware, network and software layers

Youtube videos

Below is the list of videos covering each of these factors

You can read the ebook by Kevin Hoffman about the 15 Factor Apps named Beyond the Twelve-Factor App (

Until next time, Code with Passion and Strive for Excellence.


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