Update docker-network.sh

docker-network.sh

@@ -67,10 +67,19 @@ for name in "${!networks[@]}"; do
     echo "✅ Network '$name' already exists."
   else
     echo "Creating network '$name' with subnet $subnet"
+
+    if [[ "$name" == "internet" ]]; then
       docker network create \
         --driver=bridge \
         --subnet="$subnet" \
         "$name"
+    else
+      docker network create \
+        --driver=bridge \
+        --subnet="$subnet" \
+        --internal \
+        "$name"
+    fi
   fi
 done