Backup docker volumes to minio

dockertominio.sh

#!/usr/bin/env bash

BACKUPTIME=`date +%Y-%m-%d`
BACKUPNAME=dockervolumes-$BACKUPTIME.tar.gz
SOURCEFOLDER=/var/lib/docker/volumes
DESTINATIONFOLDER=/tmp/dockerbackup
BACKUPFULLPATH=$DESTINATIONFOLDER/$BACKUPNAME
MINIOBUCKET=minio/dockervolumebackup

# Create the backup
mkdir -p $DESTINATIONFOLDER
sudo tar -cpzf $BACKUPFULLPATH $SOURCEFOLDER

/usr/local/bin/mc cp $BACKUPFULLPATH $MINIOBUCKET
rm -f $BACKUPFULLPATH

# Remove everything except the last 10 days
/usr/local/bin/mc rm --recursive --force --older-than=10 $MINIOBUCKET/*
#ls -1 /root/backup_* | sort -r | tail -n +8 | xargs rm > /dev/null 2>&1

1. Download and setup minio client with mc config
2. Edit this script, place it somewhere and chmod +x
3. Set cron up (ex. everyday at 12:30 a.m 29 0 * * * /bin/bash /path/dockertominio.sh)