spring boot application start with jenkins

bootapp.sh

#!/bin/sh
#set -e

#latest jar
jarFile=$(ls ./target/*.jar | sort -r | head -1)  
echo "===========> Jar File $jarFile"

#check and kill process
UP=$(pgrep -f $jarFile | wc -l)
UP_PID=$(pgrep -f $jarFile)
echo "============================> PID [$UP_PID]"
[ "$UP" -ne 0 ] && kill -9  $UP_PID

# start DEV profile
nohup java -Xmx256m -Xss256k -jar $jarFile --spring.profiles.active=dev &
echo "============================>STARTED PID $(pgrep -f $jarFile)"

### USE 
### jenkin job --> build --> execute shell
## BUILD_ID=dontKillMe sh bootapp.sh