nodejs.sh

sudo npm install pm2 -g

pm2 start app.js

#use it to start at boot
pm2 startup ubuntu

#nginx.conf 
server {
    listen 80;

    server_name example.com;

    location / {
        proxy_pass http://10.0.1.15:8080;
        proxy_http_version 1.1;
        #proxy_set_header Upgrade $http_upgrade;
        #proxy_set_header Connection 'upgrade';
        #proxy_set_header Host $host;
        #proxy_cache_bypass $http_upgrade;
    }
}