{
  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";

  outputs =
    { nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
    in
    {
      devShells.${system}.default = pkgs.mkShell {
        buildInputs = with pkgs; [
          bashInteractive
          entr
          lowdown
          tailwindcss
        ];
      };

      packages.${system} = with pkgs; {
        ssg = mkDerivation {
          name = "ssg";

          src = fetchurl {
            url = "https://romanzolotarev.com/bin/ssg";
            sha256 = "OgqH4ZQ47EM25ubEpum6v38Tl76hQPh7aZ6VRQcbd2M=";
          };

          dontUnpack = true;

          installPhase = ''
            mkdir -p $out/bin
            cp $src $out/bin/ssg
            chmod +x $out/bin/ssg
          '';
        };
      };

      formatter.${system} = pkgs.nixfmt-rfc-style;
    };
}