website-services-vbox.nix

{
  webserver = { config, pkgs, ... }: {
    deployment = {
      targetEnv = "virtualbox";
      virtualbox.memorySize = 1024;
      virtualbox.vcpu = 2;
    };
  };
}

website-services.nix

{
  network.description = "Web Server";

  webserver = { config, pkgs, ... }: {
    services.nginx = {
      enable = true;
      recommendedGzipSettings = true;
      recommendedOptimisation = true;
      recommendedProxySettings = true;
      recommendedTlsSettings = true;
      virtualHosts."example.com" =  let drv = pkgs.stdenv.mkDerivation {
        name = "website";
        src = ./src;
        buildPhase = "";
        installPhase = ''
          mkdir -p $out/src
          cp -r src/* $out/src/
        '';
      }; in {
        root = "${drv}/src";
      };
    };
  };
}