Auto restart phpfpm on 502 & 504 Error also save logs

auto_restart_webserver.sh

#!/bin/bash
MY_URL="http://moefou.org" #change you website
RESULT_502=`curl -I $MY_URL|grep "HTTP/1.1 502"`
RESULT_504=`curl -I $MY_URL|grep "HTTP/1.1 504"`
if [ -n "$RESULT_502" ]; then
killall php-fpm;php-fpm
date>>/data/logs/web_error.log;echo "502 Bad Gateway">>/data/logs/web_error.log
elif [ -n "$RESULT_504" ]; then
killall php-fpm;php-fpm
date>>/data/logs/web_error.log;echo "504 Gateway Time-out">>/data/logs/web_error.log
fi

: << \EOF
run crontab -e
add below
#Auto Fix WebServer 502 & 504 Error
#* * * * * root /data/task/auto_restart_webserver.sh >/dev/null 2>&1
EOF