docker mongodb backup and restore

container name: mongo

# 使用 mongodump 备份
sudo docker exec -i mongo /usr/bin/mongodump --db db_name --out /dump
# 复制出来
sudo docker cp mongo:/dump /mongo/dump

# 复制到容器中
sudo docker cp /mongo/dump mongo:/dump
# 使用 mongorestore 恢复
sudo docker exec -i mongo /usr/bin/mongorestore --db db_name /dump/db_name

1. https://davejansen.com/how-to-dump-restore-a-mongodb-database-from-a-docker-container/