Revise paste Portainer

version: "2"

services:
  db:
    image: mysql:5.7
    volumes:
      - db_data:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_DATABASE_PASSWORD}
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: wordpress

wordpress:
    image: wordpress:latest
    ports:
      - "32768:80"
    restart: always
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress
      WORDPRESS_CONFIG_EXTRA: |
        define('WP_HOME','http://chizui.space');
        define('WP_SITEURL','http://chizui.space');
    volumes:
      - wp_data:/var/www/html/wp-content
      # optional: persist whole wordpress root instead
      # - wp_data:/var/www/html

volumes:
  db_data:
  wp_data:

docker cp portofolio-wordpress-1:/var/www/html/wp-content ./wp-content-backup
docker cp ./wp-content-backup/. portofolio-wordpress-1:/var/www/html/wp-content
docker exec -it portofolio-wordpress-1 bash -c \
"chown -R www-data:www-data /var/www/html/wp-content"