Spring boot as sysv service

app.sh

#!/bin/sh
### BEGIN INIT INFO
# Provides:
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: app description
# Description:       app description
### END INIT INFO

# Get function from functions library
. /lib/lsb/init-functions

name=`basename $0`
pid_file="/var/run/$name.pid"

# Star the service
start() {
        log_daemon_msg "Starting covid tracking app: "
        java -jar -Dspring.profiles.active=local spring-jar-or-war &
        ### Create the lock file ###
        touch /var/lock/subsys/FILE
        success $"covid-tracking startup"
        echo $! > "$pid_file"
}

# Restart the service
stop() {
        kill $(cat $pid_file)
        ### Now, delete the lock file ###
        rm -f /var/lock/subsys/FILE
        rm "$pid_file"
        echo
        log_end_msg
}

### main logic ###
case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  status)
        status COVID
        ;;
  restart|reload|condrestart)
        stop
        start
        ;;
  *)
        echo $"Usage: $0 {start|stop|restart|reload|status}"
        exit 1
esac

exit 0