Understand the 12-factor app concepts in Docker

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The 12-factor app methodology describes how to build and deploy modern applications. Following these concepts makes your application easier to deploy and scale.

The complete methodology is documented at 12factor.net. Each lesson in this course focuses on one of its twelve factors, presented in the same order as the methodology.

The first few factors cover revision control and dependency management for your Node.js application. The remaining factors focus on the operational side of the application, including Nginx and Docker. These Docker and DevOps practices align closely with the 12-factor approach, helping you build an application that runs consistently across development, staging, and production environments.