Understanding docker -v command - Stack Overflow
https://stackoverflow.com/questions/3226981028.08.2015 · The -v (or --volume) argument to docker run is for creating storage space inside a container that is separate from the rest of the container filesystem. There are two forms of the command. When given a single argument, like -v /var/lib/mysql, this allocates space from Docker and mounts it at the given location.This is primarily a way of allocating storage from Docker …