_: pkgs: { # docker images must be lower-cased docker-nixpkgs = rec { curl = pkgs.callPackage ./curl {}; kubectl = pkgs.callPackage ./kubectl {}; kubernetes-helm = pkgs.callPackage ./kubernetes-helm {}; nix = pkgs.callPackage ./nix {}; nix-unstable = nix.overrideAttrs (self: { nix = pkgs.nixUnstable; }); }; }