Write a cron job used in EC2 to backup data from ec2 to certain s3 bucket

cron_backup_data_to_s3_bucket

#!/bin/sh

WK_DIRECTORY=$1
WK_BUCKET=$2
JOB_INTERVAL=$3

pip install --user awscli --upgrade

command="/usr/local/bin/aws s3 sync $WK_DIRECTORY s3://$WK_BUCKET"

echo $command

job="*/$JOB_INTERVAL * * * * $command"

echo "$job"
crontab -l | { cat; echo "$job"; } | crontab -