{ inputs = { flake-utils.url = "github:numtide/flake-utils"; nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable"; }; outputs = { self, flake-utils, nixpkgs, }: flake-utils.lib.eachDefaultSystem ( system: let pkgs = import nixpkgs { inherit system; }; in { formatter = pkgs.nixfmt-rfc-style; devShells.default = pkgs.mkShell { buildInputs = with pkgs; [ go gofumpt golangci-lint ]; }; } ); }