Add docker2-backup.sh

Stops all docker containers and backs up the /docker directory to BackBlaze using rclone. Rclone must be configured separately using <code>sudo rclone config</code>

(MUST BE RUN AS SUDO)

docker2-backup.sh

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+#!/bin/bash
+
+# Get today's date for our backup filename
+backupDate=$(date  +'%F')
+
+# this just prints the formated date variable to the console if you want to see it.
+echo $backupDate
+
+# move to the path where you will keep all of yoru docker configurations and data
+cd /docker
+
+# stop ALL containers
+docker stop $(docker ps -a -q)
+
+cd /home/debian/backup
+#create a tar archive of your docker parent folder
+tar --exclude='./backup/' -czvf $backupDate-backup-docker2.tar.gz /docker
+
+cd /docker
+
+#Start ALL containers
+docker start $(docker ps -a -q)
+
+# now go back to backup directory, and copy my backup file to my NAS
+cd /home/debian/backup
+echo ""
+echo "Backup copy is running..."
+
+# use secure copy to copy the tar archive to your final backup location (in my case a mounted NFS share)
+rclone copy $backupDate-backup-docker2.tar.gz b2:server-backup-rgm --progress
+
+# remove the tar file from the main home folder after it's copied
+rm -rf $backupDate-backup-docker2.tar.gz
+
+echo "Local backup file removed..."
+echo "Docker Backup Completed Successfully!"