Nginx Basics

Create a Site that serves an app on a specific port

To create a site add a file to the sites enabled folder. Name it the DNS of your site.

server {
    listen 80;
    listen [::]:80;
    server_name sub.example.com;

    location / {
        proxy_pass http://127.0.0.1:8080;
    }
}

To enable a site create a symbolic link:

ln -s /etc/nginx/sites-available/sub.example.com /etc/nginx/sites-enabled/sub.example.com

Then run

sudo service nginx restart

To disable a site simply delete the symbolic link:

rm /etc/nginx/sites-enabled/sub.example.com