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Dendrtic Pattern
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The Dendritic pattern is a way to organize Nix configurations,
where each Nix file is a flake-parts module. I use the Dendritic
pattern to combine NixOS and Home Manager configurations, avoiding the issue where
configuration items spanning two configuration systems are located in different places.
Module Architecture
| Module | Description |
|---|---|
| flake | Modules related to flake-parts, including generating configuration from modules and some configuration items spanning NixOS and Home Manager |
| hosts | NixOS and Home Manager modules for all managed hosts |
| core | Core NixOS and Home Manager configuration modules |
| desktop | Desktop environment NixOS and Home Manager configuration modules |
| dev | Development environment NixOS and Home Manager configuration modules, assumed to be for desktop |
| services | All NixOS modules running as services |
| users | NixOS modules recording all users |
Where to Start
Start with the flake module, specifically the
module that generates outputs.nixosConfiguration.
Then, check each host’s ./hosts/<hostname>/default.nix to see which modules are referenced,
and finally review each module in turn.
Anything Else?
Of course! Here are some real-world Dendritic pattern NixOS configurations I have seen (listed alphabetically):