Expose on 8081 instead

docker-compose.yml

@@ -4,7 +4,7 @@ services:
   http-echo:
     image: mendhak/http-https-echo:latest
     expose:
-      - 8080
+      - 8081
     environment:
-      - VIRTUAL_PORT=8080
+      - VIRTUAL_PORT=8081
       - VIRTUAL_HOST=${HOST}