{
  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";
    naersk = {
      url = "github:nix-community/naersk";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
  outputs = {
    nixpkgs,
    naersk,
    rust-overlay,
    ...
  }: let
    system = "x86_64-linux";
    overlays = [(import rust-overlay)];
    pkgs = import nixpkgs {
      inherit system overlays;
    };
  in {
    packages.${system} = {
      default =
        pkgs.callPackage ./package.nix {inherit naersk;};
    };
    devShells.${system}.default = pkgs.mkShell {
      packages = [
        pkgs.rust-bin.nightly.latest.default
      ];
    };
  };
}