{
  inputs = {
    nixpkgs.url = "github:cachix/devenv-nixpkgs/rolling";
    systems.url = "github:nix-systems/default";
    devenv.url = "github:cachix/devenv";
    devenv.inputs.nixpkgs.follows = "nixpkgs";
    fenix.url = "github:nix-community/fenix";
    fenix.inputs.nixpkgs.follows = "nixpkgs";
  };

  nixConfig = {
    extra-trusted-public-keys = "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw=";
    extra-substituters = "https://devenv.cachix.org";
  };

  outputs =
    {
      self,
      nixpkgs,
      devenv,
      systems,
      ...
    }@inputs:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
    in
    {

      devShells.${system}.default = devenv.lib.mkShell {
        inherit inputs pkgs;
        modules = [
          {
            packages = with pkgs; [
              openssl
              libxml2
            ];

            languages.rust = {
              enable = true;
              channel = "stable";
            };

            pre-commit.hooks = {
              rustfmt.enable = true;
              clippy.enable = true;
            };

          }
        ];
      };
    };
}