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---
title: "Nix"
date: "2025-06-25"
excerpt: "A deep dive into my fully declarative system setup using Nix, from desktop to VPS."
cover: "/images/nixsnowflake.webp"
---
# My Nix Setup: Why I Switched Everything
I've used Linux for years, mostly in dual boot with Windows. But a few months ago, I switched completely to [NixOS](https://nixos.org/), and honestly, I love it. The idea of configuring everything on my system **declaratively**—just by writing code—is what really got me hooked.
## Sway with Nix
I use [Sway](https://github.com/swaywm/sway) as my window manager, and setting it up with Nix has been super easy. Instead of messing with dotfiles or installing things manually, I just describe what I want in a config file and let Nix handle it.
## Neovim + NVF
One of my favorite changes has been switching my Neovim setup to use [NVF](https://github.com/NotAShelf/nvf). It makes managing plugins and settings way easier.
Here's a peek at my `nvf.nix` config:
```nix
{ config, lib, pkgs, ... }:
{
programs.nvf = {
enable = true;
settings = {
vim = {
theme.enable = true;
theme.name = "gruvbox";
options = {
clipboard = "unnamedplus";
tabstop = 2;
shiftwidth = 2;
expandtab = true;
autoindent = true;
mouse = "a";
};
telescope.enable = true;
autocomplete.nvim-cmp.enable = true;
autopairs.nvim-autopairs.enable = true;
git.enable = true;
lsp = {
enable = true;
formatOnSave = true;
lspkind.enable = true;
lspSignature.enable = true;
};
languages = {
enableTreesitter = true;
nix.enable = true;
markdown.enable = true;
clang.enable = true;
css.enable = true;
html.enable = true;
java.enable = true;
ts.enable = true;
go.enable = true;
lua.enable = true;
python.enable = true;
typst.enable = true;
};
formatter.conform-nvim.enable = true;
visuals = {
nvim-web-devicons.enable = true;
};
snippets.luasnip.enable = true;
binds = {
whichKey.enable = true;
cheatsheet.enable = true;
};
statusline.lualine.enable = true;
};
};
};
};
}
```
You can check out my full Nix configuration [here on GitHub](https://github.com/schererleander/nix).
## Firefox, Configured by Code
I even manage **Firefox** through Nix! From settings to extensions, everything is set up declaratively. It’s cool to see a browser this customizable through config files.
## Using nix-darwin on macOS
I’ve got a **MacBook Air**, and I’m using [nix-darwin](https://github.com/LnL7/nix-darwin) on it. It’s not quite as deep as NixOS, but I can still manage most of my tools and configs declaratively. Works great for development stuff.
## VPS with nix-infect
My VPS is running Nix too. I used [nix-infect](https://github.com/elitak/nix-infect) to get started, and now I manage things like **[nginx](https://nginx.org/)** and **[Nextcloud](https://nextcloud.com/)** with Nix. It’s super easy to maintain and back up.
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