如何在docker中连接apache和wordpress？

version: '3'
services:
  apache:
    image: httpd:latest
    ports:
      - 80:80
    volumes:
      - ./apache/conf:/usr/local/apache2/conf
      - ./apache/htdocs:/usr/local/apache2/htdocs

  wordpress:
    image: wordpress:latest
    ports:
      - 8080:80
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: password
      WORDPRESS_DB_NAME: wordpress
    volumes:
      - ./wordpress:/var/www/html
    depends_on:
      - db

  db:
    image: mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: password
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: password
    volumes:
      - ./mysql:/var/lib/mysql

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_http_module modules/mod_proxy_http.so

<VirtualHost *:80>
    ProxyPass / http://wordpress:80/
    ProxyPassReverse / http://wordpress:80/
    ServerName localhost
    ServerAlias localhost
    ErrorLog /usr/local/apache2/logs/error.log
    CustomLog /usr/local/apache2/logs/access.log combined
</VirtualHost>

docker-compose up -d