Run springboot jar as service in Linux (or) Azure VM

 Create as .sh file add jar execution command

/usr/bin/java -jar /u01/api/docuchat-api-0.0.1.jar --spring.config.location=file:/u01/api/config/ > /u01/api/logs/springboot.log

in you case you can use only /usr/bin/java -jar jarname.jar 

Create .service file under /etc/systemd/system/ folder

my file name: dora-api-demo.service

Script is below 

[Unit]

Description=dora-demo-api

[Service]

User=root

WorkingDirectory=/usr/local/bin

ExecStart=/usr/bin/bash /u01/api/dora-service.sh

SuccessExitStatus=0

[Install]

WantedBy=multi-user.target

once the script is passed inside the dora-api-demo.service file

need use below command to 

sudo systemctl daemon-reload

sudo systemctl enable dora-api-demo

sudo systemctl start dora-api-demo  (To start the service)

sudo systemctl status dora-api-demo (To check the status of the service)

sudo systemctl stop dora-api-demo (to stop the service)

sudo systemctl restart dora-api-demo (to restart the service)