[Feature Request]: Map local data storage directory

[yeungtuzi]

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Is your feature request related to a problem?

Describe the feature you'd like

Use local directory like /opt/ragflow/data instead of docker volumes to store files and databases. If possible, this directory can be a shared folder like nfs or ceph to provide multi-node inferencing service.

Describe implementation you've considered

No response

Documentation, adoption, use case

Additional information

No response