Update docker-compose-votingappv3.yml

docker-compose-votingappv3.yml

@@ -73,7 +73,7 @@ services:
   visualizer:
     image: dockersamples/visualizer:stable
     ports:
-      - "8083:8080"
+      - "8083:8084"
     stop_grace_period: 1m30s
     volumes:
       - "/var/run/docker.sock:/var/run/docker.sock"