How to run the app

1. Install Node.js runtime on the server.
2. Do a git clone on the server to get the source code.
3. Switch to the folder with the code.
4. Run the command npm install to install dependencies.
5. Execute the script start.sh
6. The Node.js process will start listening on port 3000
7. To change the port, edit the .env PORT property.
8. To stop the process run the stop.sh script.
9. Once you have the node app running, update the application.properties of the Java web service. Change the kml.service.url to point to the correct domain name, or IP address. Also update port if you did #5 above.