{
  description = "Terraform provider for Garage";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    futils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, futils } @ inputs:
    let
      inherit (nixpkgs) lib;
      inherit (lib) recursiveUpdate;
      inherit (futils.lib) eachDefaultSystem defaultSystems;

      nixpkgsFor = lib.genAttrs defaultSystems (system: import nixpkgs {
        inherit system;
        overlays = [ self.overlay ];
      });

      anySystemOutputs = {
        overlay = final: prev: {
          # TODO
        };
      };

      multipleSystemsOutputs = eachDefaultSystem (system:
        let
          pkgs = nixpkgsFor.${system};
        in
        {
          devShell = pkgs.mkShell {
            buildInputs = with pkgs; [
              docker-compose
              git
              go
              gotools
              golint
              goreleaser
              nixpkgs-fmt
              pre-commit
              terraform
            ];
          };

          packages = {
            # TODO
          };
          # defaultPackage = TODO;
        });
    in
    recursiveUpdate multipleSystemsOutputs anySystemOutputs;
}