Reverse Proxy Nodejs / Other applications

sudo nano /etc/nginx/sites-available/default

server {
    listen 80 default_server;
    listen [::]:80 default_server;
 
    root /var/www/html;
    index index.html index.htm index.nginx-debian.html;
 
    server_name _;
    client_max_body_size 100M; 
 
    location / {
        proxy_pass http://localhost: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;
    }
 
}

sudo nginx -t
sudo service nginx restart