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

  outputs = { self, nixpkgs, utils, naersk }:
    utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
        naersk-lib = pkgs.callPackage naersk { };
        rustTarget = naersk-lib.buildPackage ./.;
      in
      {
        defaultPackage = pkgs.dockerTools.buildImage {
          name = "udproxy";
          config = {
            Cmd = [ "${rustTarget}/bin/udproxy" "--source=127.0.0.1:1337" "--dest=127.0.0.1:1338" "--low=./sleep.sh" "--used=./wake.sh" ];
            copyToRoot = [ ./sleep.sh ./wake.sh "${pkgs.bash}/bin/bash" "${pkgs.cpulimit}/bin/cpulimit" ];
          };
        };
        devShell = with pkgs; mkShell {
          buildInputs = [ netcat-gnu cargo rustc rustfmt pre-commit rustPackages.clippy ];
          RUST_SRC_PATH = rustPlatform.rustLibSrc;
        };
      }
    );
}