cat > /etc/nginx/sites-available/default << EOF
server {
    listen 80;
    server_name ${ORIGIN_DOMAIN};
    location /.well-known/acme-challenge/ { root /var/www/certbot; }
    location / { return 301 https://\$host\$request_uri; }
}
server {
    listen 443 ssl http2;
    server_name ${ORIGIN_DOMAIN};
    ssl_certificate     /etc/nginx/ssl/${ORIGIN_DOMAIN}/fullchain.pem;
    ssl_certificate_key /etc/nginx/ssl/${ORIGIN_DOMAIN}/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;

    location /uploadfiles/ {
        proxy_pass http://127.0.0.1:4443;
        proxy_http_version 1.1;
        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 https;
        proxy_buffering off;
        proxy_request_buffering off;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
    }

    location / {
        root /var/www/stub;
        index index.html;
    }
}
EOF