this post was submitted on 09 Nov 2023
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Volumes mount multiple directory (alien.top)
submitted 1 year ago by Nope-all@alien.top to c/main@selfhosted.forum
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Hi all,

I want to ask about docker volumes, is it possible to mount multiple directories in one volume?

Example:

docker run ..... -v nginx-data:/usr/share/nginx -v nginx-data:/etc/nginx nginx

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[–] ElevenNotes@alien.top 1 points 1 year ago

What is your real problem that you want to do that?

[–] SnooPets20@alien.top 1 points 1 year ago

It works, but all the files will be mixed together. This isn't really a problem, since if the container wants to access file_a in volume1, and file_b in volume2, then it will be able to do so no problem. The problem is when you have two different files named file_a in the two different mount points in the container. In that case, one file will get overwritten by the other.

Just use separate volumes.

[–] maximus459@alien.top 1 points 1 year ago

Yes. Buuut......

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If the same files in said folder are being written to that might cause issues..

I do have a few containers like that, but one folder is read-only...