Update ollama configuration

- Add npm-network to ollama and open-webui services
- Add timezone (America/New_York) to both services
- Change open-webui image tag from main to latest

ollama/docker-compose.yml

@@ -8,6 +8,7 @@ services:
     environment:
       - NVIDIA_VISIBLE_DEVICES=all
       - NVIDIA_DRIVER_CAPABILITIES=compute,utility
+      - TZ=America/New_York
     volumes:
       - /srv/ollama:/root/.ollama
     deploy:
@@ -17,17 +18,26 @@ services:
             - driver: nvidia
               count: all
               capabilities: [gpu]
+    networks:
+      - npm-network
 
   # Optional: Web UI for Ollama
   open-webui:
     container_name: open-webui
-    image: ghcr.io/open-webui/open-webui:main
+    image: ghcr.io/open-webui/open-webui:latest
     restart: unless-stopped
     ports:
       - 3000:8080
     environment:
       - OLLAMA_BASE_URL=http://ollama:11434
+      - TZ=America/New_York
     volumes:
       - /srv/open-webui:/app/backend/data
     depends_on:
       - ollama
+    networks:
+      - npm-network
+
+networks:
+  npm-network:
+    external: true