MongoDB - How to backup and restore a database
This is a quick example to show how to easily backup and restore a MongoDB database from the command line, using the current date as the backup folder name (YYYYMMDD).
Backup MongoDB database using date for the folder name
The mongodump command will create a backup / dump of the MongoDB database with the name specified by the --db [DB NAME] argument.
The --out /var/backups/`date +"%Y%m%d" argument specifies the output directory as /var/backups/[TODAY'S DATE] e.g. /var/backups/20190903.
sudo mongodump --db [DB NAME] --out /var/backups/`date +"%Y%m%d"`
Restore MongoDB database from backup
The mongorestore command restores a database to the destination --db [DB NAME] from the specified directory, e.g. /var/backups/20190903.
sudo mongorestore --db [DB NAME] /var/backups/[BACKUP FOLDER NAME]
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