upstream dns-backend {
    server 127.0.0.1:8053;
}
server {
        server_name dohauth.iot-roam.net;
        root /var/www/html/dns;
        access_log /var/log/nginx/dns.access.log;
         location /dns-query {
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header Host $http_host;
                proxy_set_header X-NginX-Proxy true;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_redirect off;
                proxy_set_header        X-Forwarded-Proto $scheme;
                proxy_read_timeout 86400;
                proxy_pass http://dns-backend/dns-query;
        }

    listen 443 ssl http2;
    listen [::]:443 ssl;
 
    ssl_certificate /etc/letsencrypt/live/dohauth.iot-roam.net/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/dohauth.iot-roam.net/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

server {
    if ($host = dohauth.iot-roam.net) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


        listen 80;
        server_name dohauth.iot-roam.net;
    return 404; # managed by Certbot
}