This message is coming to you via a simple NodeJS application that's live on your Droplet.
Run all pm2 commands using the nodejs user or a second instance of pm2 will start.
This app is running at port 3001, and is being served to you by nginx, which has mapped it to port 80.
/var/www/html/hello.jspm2 list to see code scheduled to start at boot timepm2 delete hello to stop running this script and pm2 save to remove it from startup.git clone your NodeJS code onto the dropletcd into the directory where your NodeJS code lives, and install any dependencies.pm2 start <your-file>, then map the port your app runs on to an HTTP URL.sudo systemctl restart nginx to enable your new nginx config.pm2 save to schedule your code to run at launch.There's a lot you'll want to do to make sure you're production-ready.
sudo ufw status, and make any changes you need.