What is the use of docker data volume?
The use of docker data volumes:
Share data between multiple containers. Multiple containers can mount the same one in read-only or read-write mode at the same time. data volumes to share the data in the data volumes.
When the host cannot guarantee that a certain directory or some fixed file paths must exist, using data volumes can circumvent the problems caused by this limitation.
When you want to store the data in the container outside the host, such as on a remote host or cloud storage.
When you need to back up, restore or migrate container data between different hosts, data volumes are a good choice.
For more related tutorials, please pay attention to the docker tutorial column on the PHP Chinese website.
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