{ description = "Flake study docker longevity"; inputs = { nixpkgs.url = "github:nixos/nixpkgs/24.05"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; }; in { devShells = { default = pkgs.mkShell { packages = with pkgs; [ nickel (python3.withPackages (ps: with ps; [ requests pyyaml ])) ]; }; }; }); }