{ description = "System configuration"; inputs = { nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable"; }; outputs = { self, nixpkgs, ... }@inputs: { nixosConfigurations.nixos = nixpkgs.lib.nixosSystem { system = "aarch64-linux"; modules = [ { nix.nixPath = [ "nixpkgs=${inputs.nixpkgs}" ]; } ./configuration.nix ]; }; }; }