fix(img):add img

Author: Tony-ArtZ

backend/docker-compose.simple.yml

@@ -19,7 +19,7 @@ services:
     image: nginx:alpine
     container_name: websocket-gateway
     ports:
-      - "8080:80"
+      - "80:80"
     volumes:
       - ./config/nginx.conf:/etc/nginx/nginx.conf:ro
     depends_on: