nixos-config/hosts/chunk/redlib.nix

{ ... }:
{
  services.redlib = {
    enable = true;
    port = 8087;
    address = "127.0.0.1";
    settings = {
      # settings are just env vars
      REDLIB_ENABLE_RSS = "on";
      REDLIB_ROBOTS_DISABLE_INDEXING = "on";
    };
  };
}