Adopting Elixir

Managing Third-Party Dependencies

At its roots, dealing with legacy systems means dealing with dependencies, each with its own set of potential problems. You’ll have to understand whether your dependencies are healthy, poorly maintained, or abandoned altogether. Every application depends on other libraries and each dependency may depend on libraries of its own, often requiring specific versions. Developers need a way to manage these dependency trees so each language has a reliable way to list dependencies, compute the right versions that fit together, and work with the result.

Elixir has a package manager called Hex.^[40] Adding Hex dependencies to a project is quite easy but it does not mean it should be done carelessly.

Any dependency becomes ...