server {
        listen 80;
        server_name www.example.com;

        location / {
                root /path/to/aliexpress-price-tracker/web;
                index app.html;
        }
        location ~ ^/app/(.*)$ {
                proxy_pass http://127.0.0.1:8080/$1;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
        }
}