My go-to hacky backup solutions: gzip directories up to Dropbox! Uses https://github.com/andreafabrizi/Dropbox-Uploader

dropbox_backup.sh

#!/usr/bin/env bash

MAX_NUM_BACKUPS=10
DB_LOCATION=/root/dropbox_uploader.sh
DB_CONFIG=/root/.dropbox_uploader
BACKUP_FILENAME=ss_ranch_bkup
BKP_DIRS="/home/docker/rancher /home/docker/nginx"
EXCLUDE_DIRS="/home/docker/nginx/ssl"

TMP_DIR="/tmp/"
DATE=$(date +"%Y-%m-%d_%H%M%S")
BKP_FILE="$TMP_DIR$BACKUP_FILENAME_$DATE.tar"

# Upload new backup
tar cf "$BKP_FILE" --exclude="$EXCLUDE_DIRS" $BKP_DIRS
gzip "$BKP_FILE"

$DB_LOCATION -f $DB_CONFIG upload "$BKP_FILE.gz" "/$DATE/$BACKUP_FILENAME.gz"

rm -fr "$BKP_FILE.gz"

# Remove old backups
NEW_DIRS=$($DB_LOCATION list / | awk 'NR != 1 { print $3; }' | sort -r)
DIRS_TO_REMOVE=$(echo "$NEW_DIRS" | awk "NR > $MAX_NUM_BACKUPS { print; }")

for dir in $DIRS_TO_REMOVE
do
  $DB_LOCATION delete $dir
done