{

  description = "My first flake!";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; # which is the branch. You should use the last version or the unstable
    home-manager.url = "github:nix-community/home-manager/master"; # master == unstable
    home-manager.inputs.nixpkgs.follows = "nixpkgs"; # check that versions of nixpkgs and flake? are equal
  }; # git links

  outputs = { self, nixpkgs, home-manager, ... }:
    let
      lib = nixpkgs.lib; # we pass lib to be able to use ie: lib.nixosSystem and others
      system = "x86_64-linux";
      pkgs = nixpkgs.legacyPackages.${system};
    in {
    nixosConfigurations = {
      nixosaku = lib.nixosSystem { # nixosaku to match the hostname
        inherit system;
        modules = [ ./configuration.nix ];
      };
    };
    homeConfigurations = {
      akunito = home-manager.lib.homeManagerConfiguration { # akunito to match the username
        inherit pkgs;
        modules = [ ./home.nix ];
      };
    };

#     # Exceptions
#     nixpkgs.config = {
#         allowUnfree = true;
#         permittedInsecurePackages = pkgs.lib.optional (pkgs.obsidian.version == "1.5.12") "electron-25.9.0";
#       };
    };
}