{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; systems.url = "github:nix-systems/default"; devenv.url = "github:cachix/devenv"; }; 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 forEachSystem = nixpkgs.lib.genAttrs (import systems); in { packages = forEachSystem (system: { devenv-up = self.devShells.${system}.default.config.procfileScript; }); devShells = forEachSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; in { default = devenv.lib.mkShell { inherit inputs pkgs; modules = [ { packages = with pkgs; [ pandoc wkhtmltopdf ]; } ]; }; }); }; }