builder: add ollama and ui

hosts/builder/default.nix

@@ -101,10 +101,17 @@
   };
 
   # Ollama used by open-webui as llm backend
-  # services.ollama = {
-  #   enable = true;
-  #   # acceleration = "rocm";
-  # };
+  services.ollama = {
+    enable = true;
+    # acceleration = "rocm";
+    openFirewall = true;
+  };
+
+  services.nextjs-ollama-llm-ui = {
+    enable = true;
+    hostname = "192.168.3.118";
+    port = 3001;
+  };
   # services.open-webui = {
   #   enable = true;
   #   port = 8080;
@@ -114,6 +121,7 @@
 
   networking.firewall.allowedTCPPorts = [
     80
+    3001 # ollama-ui
   ];
 
   services.openssh = {