尝试创建管理员用户时出错：

Error while trying to create admin user: Failed to connect to the database: An exception occurred in the driver: SQLSTATE[HY000] [1045] Access denied for user 'nextcloud'@'172.22.0.6' (using password: YES)

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docker-compose.yml

version: '3'
volumes:
  nextcloud-data:
  nextcloud-db:
networks:
  nginx_network:
    external: true
services:
  app:
    image: nextcloud
    restart: always
    volumes:
      - nextcloud-data:/var/www/html
    environment:
      - MYSQL_PASSWORD=test
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
      - MYSQL_HOST=db
    networks:
      - nginx_network
  db:
    image: mariadb
    restart: always
    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
    volumes:
      - nextcloud-db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=test
      - MYSQL_PASSWORD=test
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
    networks:
      - nginx_network

型
我找不到任何类似的问题与解决方案，为我和Docker的作品似乎好我