[Docker] host to machine, machine to host file copy

- host to machine

docker cp filename container:/filename

- machine to host

docker cp contianer:/filename filename

- example

container name : mysql-3306

{

- host to machine

docker cp mysqld.conf mysql-3306:/etc/mysql/mysql.conf.d/mysqld.conf

- machine to host

docker cp mysql-3306:/etc/mysql/mysql.conf.d/mysqld.conf

}

ref : http://stackoverflow.com/questions/22907231/copying-files-from-host-to-docker-container