{ inputs.nixpkgs.url = "github:NixOS/nixpkgs"; outputs = { self, nixpkgs, ... }: let system = "x86_64-linux"; pkgs = nixpkgs.legacyPackages.${system}; in { devShells.${system}.default = pkgs.mkShell { nativeBuildInputs = [ pkgs.entr pkgs.fastapi-cli (pkgs.python3.withPackages (x: [x.crc x.fastapi x.sqlmodel x.sqlalchemy])) ]; }; }; }