Wordpress backup script that stores a snapshot of files & database on S3

wordpress-backup.sh

#!/bin/bash
# This script requires wp-cli to work and aws cli. 
# WP CLI: https://wp-cli.org/
# AWS cli: https://aws.amazon.com/es/cli/
# Usage: wordpress-backup.sh <domain-name> <s3 bucket> <wp basepath>

if [ -z "$1" ]
  then
    echo "Domain name missing"
    echo "Usage: wordpress-backup.sh <domain-name> <s3 bucket> <wp basepath>"
    exit 1
fi
wp_url=$1

if [ -z "$2" ]
  then
    echo "S3 bucket missing"
    echo "Usage: wordpress-backup.sh <domain-name> <s3 bucket> <wp basepath>"    
    exit 1
fi
s3_bucket=$2

if [ -z "$1" ]
  then
    echo "Wordpress basepath missing (fullpath)"
    echo "Usage: wordpress-backup.sh <domain-name> <s3 bucket> <wp basepath>"    
    exit 1
fi
wp_basepath=$3

cd $wp_basepath
date=$(date '+%Y-%m-%d-%H%M%S')
filesname="wp-backup-files-$date.tar.gz"
sqlname="sql-dump-$date.sql"
backupname="$wp_url-backup-$date.tar.gz"

echo "Compressing files..."
tar -zcf $filesname .

echo "Exporting db..."
wp db export $sqlname

echo "Creating backup file $backupname"
tar -zcvf $backupname $filesname $sqlname

echo "Uploading $backupname to s3://$s3_bucket/"
aws s3 cp $backupname s3://$s3_bucket/

echo "Done. Bye!"

# Cleanup
rm $filesname
rm $sqlname
rm $backupname

Usage: from crontab
5 9 * * 0 cd /path/to/backupscript/ && ./wordpress-backup.sh <domain.cl> </path/to/wordpress/public/>

Example
5 9 * * 0 cd /home/ubuntu/public_html/domain.cl && ./wordpress-backup.sh domain.cl cl.domain.backups /home/ubuntu/public_html/domain.cl/public/