docker run -d \
    --env MONGODB_HOST=mongodb \
    --env MONGODB_PORT=27017 \       # Optional, default: 27017
    --env MONGODB_USER=admin \       # Optional
    --env MONGODB_PASS=password \    # Optional
    --env CRON_TIME=0 */12 * * * \   # Optional, default: "0 0 * * *" -> everyday at 00:00
    --volume /host/backup:/backup    # Replace '/host/backup' with your backup folder path
    cyb3rko/mongodb-backup

MONGODB_HOST    the host/ip of your mongodb database
MONGODB_PORT    the port of your mongodb database (default: 27017)
MONGODB_USER    the username of your mongodb database. If MONGODB_USER is empty while MONGODB_PASS is not, the image will use admin as the default username
MONGODB_PASS    the password of your mongodb database
MONGODB_DB      the database name to dump. If not specified, it will dump all the databases
EXTRA_OPTS      the extra options to pass to mongodump command
CRON_TIME       the interval of cron job to run mongodump. '0 0 * * *' by default, which is every day at 00:00
MAX_BACKUPS     the number of backups to keep. When reaching the limit, the old backup will be discarded (default: no limit).
INIT_BACKUP     if set, create a backup when the container launches

docker exec cyb3rko/mongodb-backup ls /backup

docker exec cyb3rko/mongodb-backup /restore.sh /backup/2015.08.06.171901