Настройка NGINX Reverse Proxy

Для примера example.com хостится на 3.3.3.3

DNS management for example.com
A record
* 3.3.3.3

sudo apt install nginx
cd /etc/nginx/sites-available/
touch site.conf
ln -s ../sites-available/site.conf .

site.conf

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

    root /var/www/public_html;
    location / {
        proxy_pass         http://1.2.3.4:8080/;
        proxy_http_version 1.1;
        proxy_set_header   Upgrade $http_upgrade;
        proxy_set_header   Connection keep-alive;
        proxy_set_header   Host $host;
        proxy_cache_bypass $http_upgrade;
        proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header   X-Forwarded-Proto $scheme;
    }
}

Далее необходимо настроить Certbot