How to Package Elixir/Phoenix Applications Using Nix

The article focuses on using Nix to package Elixir and Phoenix applications. It starts by describing the reasons for using Nix, including consistency in dependency management and reproducible builds. The author explains prerequisites for using Nix, noting that while NixOS is not mandatory, it can simplify package management. The emphasis is on setting up a new Phoenix project, managing dependencies, configuring Nix flakes, handling npm packages, and preparing for deployment. Instructions detail both how to build and run the application and how to create a NixOS module for easier management on NixOS systems. Moreover, it highlights the advantages of using Nix for both developers and operations, providing a stable, consistent, and reliable package management solution. The article concludes with links to additional resources for those interested in further exploring Nix and its application in the Elixir ecosystem.