{
  description = "luochen570's NixOS configuration";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";

    home-manager = {
      url = "github:nix-community/home-manager/release-25.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # Nix4NvChad
    nix4nvchad = {
      url = "github:nix-community/nix4nvchad";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # NixOS WSL
    nixos-wsl.url = "github:nix-community/NixOS-WSL/main";

    # VS Code Server
    vscode-server.url = "github:nix-community/nixos-vscode-server";

    # SOPS for Nix
    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs@{ nixpkgs, home-manager, ... }:
  let
    username = "luochen570";
    hosts = import ./lib/hosts.nix;
    mkHost = import ./lib/mkHost.nix {
      inherit nixpkgs home-manager inputs;
    };
    mkConfiguredHost = hostname: cfg: mkHost ({
      inherit hostname username;
    } // cfg);
  in {
    nixosConfigurations = nixpkgs.lib.mapAttrs mkConfiguredHost hosts;
  };
}