#howto #backup and restore #docker volumes (https://loomchild.net/2017/03/26/backup-restore-docker-named-volumes/)

1-backup.sh

# docker volume name databases_mysql
docker run -ti --rm \
  -v databases_mysql:/volume \
  -v ${PWD}:/backup alpine \
  tar -cjf /backup/databases_mysql.tar.bz2 -C /volume ./

2-restore.sh

# scp databases_mysql.tar.bz2 to the server
# docker volume create databases_mysql 
docker run -ti --rm \
  -v databases_mysql:/volume \
  -v ${PWD}:/backup alpine \
  sh -c "rm -rf /volume/* /volume/..?* /volume/.[!.]* ; tar -C /volume/ -xjf /backup/databases_mysql.tar.bz2"

3-inspect.sh

docker run -ti --rm -v databases_mysql:/volume alpine