diff --git a/docs/docker-compose/docker-compose.yml b/docs/docker-compose/docker-compose.yml
index 80fc45a0..c6042825 100755
--- a/docs/docker-compose/docker-compose.yml
+++ b/docs/docker-compose/docker-compose.yml
@@ -1,14 +1,14 @@
 # docker-compose.yml
-version: "3.3"
 services:
     butler-sos:
         image: ptarmiganlabs/butler-sos:latest
         container_name: butler-sos
         restart: always
         ports:
-            - "9997:9997"
-            - "9996:9996"
-            - "9842:9842"
+            - "9997:9997"   # UDP user events
+            - "9996:9996"   # UDP log events
+            - "9842:9842"   # Prometheus metrics
+            - "3100:3100"   # Config file visualization
         volumes:
             # Make config file accessible outside of container
             - "./config:/nodeapp/config"