try out i3 config from: https://github.com/jifuwater/Cattendeavou

modules/graphical/awesome.nix

@@ -0,0 +1,26 @@
+{ config, pkgs, lib, ... }:
+let cfg = config.custom.graphical.awesome;
+in {
+  options.custom.graphical.awesome = {
+    enable = lib.mkEnableOption "Enables awesome";
+  };
+  config = lib.mkIf cfg.enable {
+    services.xserver = {
+      enable = true;
+
+      displayManager = {
+        sddm.enable = true;
+        defaultSession = "none+awesome";
+      };
+
+      windowManager.awesome = {
+        enable = true;
+        luaModules = with pkgs.luaPackages; [
+          luarocks # is the package manager for Lua modules
+          luadbi-mysql # Database abstraction layer
+        ];
+
+      };
+    };
+  };
+}