{
  description = "Libre.sh";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    gomod2nix = {
      url = "github:nix-community/gomod2nix";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.flake-utils.follows = "flake-utils";
    };
  };

  outputs = { self, nixpkgs, flake-utils, gomod2nix }:
    (flake-utils.lib.eachDefaultSystem
      (system:
        let
          pkgs = nixpkgs.legacyPackages.${system};

          # The current default sdk for macOS fails to compile go projects, so we use a newer one for now.
          # This has no effect on other platforms.
          callPackage = pkgs.darwin.apple_sdk_11_0.callPackage or pkgs.callPackage;
        in
        rec {
          packages.default = callPackage ./. {
            inherit (gomod2nix.legacyPackages.${system}) buildGoApplication;
          };
          devShells.default = callPackage ./shell.nix {
            inherit (gomod2nix.legacyPackages.${system}) mkGoEnv gomod2nix;
          };

          packages.container = pkgs.dockerTools.buildLayeredImage {
            #inherit name;
            name = "php-fpm-exporter";
            tag = packages.default.version;
            created = "now";
            # contents = packages.${name};
            config = {
              Cmd = [ "${packages.default}/bin/main" ];
              ExposedPorts = {
                "9253/tcp" = {};
                };
              };
          };
        })
    );
}