Zero Downtime deployment bash script

deploy.sh

set -e

SITE="domain.com"
DEPL="/home/forge/deployments/${SITE}"

# create directory and any intermediate directories if don't exist
mkdir -p ${DEPL}

CUR="/home/forge/${SITE}"
NEW="${DEPL}/new"
BKP="${DEPL}/backup"

# remove old deployment folders
if [ -d ${NEW} ]; then
 rm -R ${NEW}
fi
if [ -d ${BKP} ]; then
 rm -R ${BKP}
fi

cp -R ${CUR} ${NEW}

cd ${NEW}

# REGULAR SCRIPT
git reset --hard HEAD;git clean -df
git pull origin master
composer install --no-interaction --prefer-dist --optimize-autoloader
echo "" | sudo -S service php7.4-fpm reload

php artisan migrate --force
php artisan queue:restart

yarn
npm run prod
# /REUGLAR SCRIPT

# Switch (downtime for microseconds)
mv ${CUR} ${BKP}
mv ${NEW} ${CUR}

cd ${CUR}
php artisan cache:clear
php artisan config:clear
php artisan optimize