Docker quick copy local folder (a mysql folder) to existing volume

copy.sh

#!/bin/bash

# test
docker run -it --rm -v wordpress-nginx-docker_mysql-data:/dest alpine

# delete
docker run --rm -v wordpress-nginx-docker_mysql-data:/dest -w /source alpine rm -rf /dest/*

# copy
docker run --rm -v $PWD:/source -v wordpress-nginx-docker_mysql-data:/dest -w /source alpine cp dbdata/* /dest/