{
  description = "virtual environments";

  inputs.flake-utils.url = "github:numtide/flake-utils";

  outputs = { self, flake-utils, nixpkgs, ... }@inputs:
    flake-utils.lib.eachDefaultSystem (system:
      let pkgs = nixpkgs.legacyPackages.${system};
      in {
        devShell = pkgs.mkShell {
          buildInputs = with pkgs; [
            rustup
            rustracer
            cargo-outdated
            cargo-audit
            pkgconfig
            openssl.dev
          ];
        };
      });
}