{ description = "A very basic flake"; inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; outputs = { self, nixpkgs }: { packages.x86_64-linux.hello = nixpkgs.legacyPackages.x86_64-linux.hello; packages.x86_64-linux.default = self.packages.x86_64-linux.hello; devShells.x86_64-linux.default = let pkgs = import nixpkgs { system = "x86_64-linux"; }; in pkgs.mkShell { buildInputs = with pkgs; [ elixir rebar3 cmake imagemagick mix2nix ]; }; }; }