chore(dev): update devcontainer configuration

To tackle the problem that nginx cannot connect to server due to ip change

.devcontainer/docker-compose.yml

@@ -73,7 +73,6 @@ services:
     image: nginx:alpine
     restart: unless-stopped
     ports:
-      - "80:80"
       - "8080:80"
     volumes:
       - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro