{

  inputs = {
    nixpkgs.url      = "github:NixOS/nixpkgs";
    flake-utils.url  = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils, ... }:
    flake-utils.lib.eachSystem [ "x86_64-linux" ] (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = true;
        };
        tsc = pkgs.writeShellScriptBin "tsc" ''
          exec pnpm exec tsc "$@"
        '';
      in
      {

        devShells.default = pkgs.mkShell {
          buildInputs =
            with pkgs; [
              nodejs pnpm tsc
              zip unzip rsync
              pkg-config openssl.dev openssl pwgen
              jq curl git asciinema
            ];
        };

        devShell = self.devShells.${system}.default;
      }
    );
}