How To Backup a MongoDB Database From a Docker Container

One of the recommended backup strategies of a MongoDB database is through its tool called mongodump.
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Use it to dump the current consistent state of the database with all its collections and move it to the host machine for persistence.
Let’s say you have a Docker container running a MongoDB database with a volume on the host.

You can create a dump of the current state of the database with mongodump.

Open your Terminal:

Ctrl+Alt+T

Run the following commands:

docker run --rm -it --link DOCKER_CONTAINER_NAME:mongo_alias -v /backup:/backup mongo mongodump --host mongo_alias --out /backup/