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The Importance of Dependencies in Application Modernization: The #2 Factor of the 12 Factor App

Updated: Jan 26, 2023

Application modernization is the process of updating and improving existing software applications to better meet the needs of modern businesses. One key aspect of this process is ensuring that the application has a clear and manageable set of dependencies. The 12 Factor App, developed by Heroku, is a methodology that outlines 12 principles for building modern, cloud-native applications. In this blog post, we'll focus on the second factor of the 12 Factor App: dependencies.


When building an application, it's important to ensure that the application has a clear and manageable set of dependencies. This means that the application should have a clear and explicit list of all the other software components it relies on, such as libraries, frameworks, and databases. Having a clear and manageable set of dependencies helps to ensure that the application is easy to understand, test, and deploy. It also makes it easier to upgrade and maintain the application over time.


One of the key benefits of having a clear and manageable set of dependencies is that it makes it much easier to understand and test the application. When an application has a clear and explicit list of dependencies, it's much easier to understand how the different components of the application fit together and how they interact with each other. This makes it much easier to identify and fix bugs and other issues.


Another key benefit of having a clear and manageable set of dependencies is that it makes it much easier to deploy the application. When an application has a clear and explicit list of dependencies, it's much easier to deploy the application to different environments, such as test, staging, and production. This makes it much easier to ensure that the application is working correctly in each environment.


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