{
  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    naersk = {
      url = "github:nix-community/naersk";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
  };

  outputs =
    {
      flake-utils,
      naersk,
      nixpkgs,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = (import nixpkgs) { inherit system; };

        naersk' = pkgs.callPackage naersk { };

      in
      {
        # For `nix build` & `nix run`:
        packages.default = naersk'.buildPackage {
          src = ./.;
          nativeBuildInputs = with pkgs; [
            cmake
            flac
            sqlite
          ];
        };

        # For `nix develop`:
        devShell = pkgs.mkShell {
          nativeBuildInputs = with pkgs; [
            cargo
            rustc
          ];
          packages = with pkgs; [
            nixd
            nixfmt
            rust-analyzer
            clippy
          ];
        };
      }
    );
}