Refactor: Reorganize services into standalone structure

optimized/standalone/ubuntu-unbound/docker-compose.yml

@@ -0,0 +1,23 @@
+version: "3.9"
+
+services:
+  ubuntu-server:
+    build: .
+    container_name: ubuntu_server
+    restart: unless-stopped
+    network_mode: host
+    privileged: true
+    environment:
+      - TZ=America/New_York  # Change to your timezone
+    volumes:
+      - ubuntu_data:/data
+      - ubuntu_config:/config
+    ports:
+      - "2222:2222"   # SSH
+      - "5335:5335"   # Unbound DNS
+
+volumes:
+  ubuntu_data:
+    driver: local
+  ubuntu_config:
+    driver: local