新人,docker安装一直报错,求解

Status: Downloaded newer image for seafileltd/seafile-mc:latest
Creating seafile-mysql … error
Creating seafile-memcached …

ERROR: for seafile-mysql Cannot start service db: Mounts denied:
The path /opt/seafile-mysql/db is not shared from the host and is not known to Docker.
You can configure shared paths from Docker → Preferences… → Resources → File Sharing.
Creating seafile-memcached … done

ERROR: for db Cannot start service db: Mounts denied:
The path /opt/seafile-mysql/db is not shared from the host and is not known to Docker.
You can configure shared paths from Docker → Preferences… → Resources → File Sharing.
See Docker Desktop for Mac user manual | Docker Documentation for more info.
ERROR: Encountered errors while bringing up the project.

这不是说的很清楚吗,就是你的数据库服务器无法连接

你看看数据库的端口开放了没