Start / Stop script for springboot app on linux, with following features:

  1. Start script won’t create new instance if the app already running
  2. Run the app in background and forward all console output to “log.log”

1. Start Script

run.sh
#!/bin/bash

if [ -f "./PID" ]; then
  echo "PID exists, app already running"
else 
  nohup java -jar ./MyApp-0.1-SNAPSHOT.jar > log.log 2>&1 &
  echo $! > PID
fi

2. Stop Script

stop.sh
#!/bin/bash

kill `cat ./PID`
rm PID
Reference: