copy files to docker container
docker cp foo.txt mycontainer:/foo.txt
docker cp mycontainer:/foo.txt foo.txt
docker cp src/. mycontainer:/target
docker cp mycontainer:/src/. target
docker ps /docker history imagename / docker exec -it container /bin/bash
docker command line volume will mount host folder to container volume, and volume tag in docker file will initate an empty volume on /var/lib/docker/blablabla
Remove containers
docker rm -v container name // to delete volumes
docker inspect containername |grep volume
Backup docker images tar
docker save name
docker load name
Backup live containers // wont bkup volumes
docker commit/docker export/docker import
backup docker volume'
