Diagram update

content/post/architectural-overview/index.md

@@ -72,9 +72,13 @@ All containers are automatically updated as is the host system.
 ```mermaid
 graph LR;
   WAN-->Router-->Server;
-  Server-->FP["Traefik"];
+  
+  subgraph Docker
+  
   FP-->NGINX;
   FP-->OC["Other Containers"];
+  end
+  Server-->FP["Traefik"];
 ```
 
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