server {
    listen 80;
    server_name ghl.cast.ph;

    # Let's Encrypt ACME challenge
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl;
    server_name ghl.cast.ph;

    ssl_certificate     /etc/letsencrypt/live/ghl.cast.ph/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/ghl.cast.ph/privkey.pem;
    include             /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam         /etc/letsencrypt/ssl-dhparams.pem;

    # Security headers
    add_header X-Frame-Options        DENY;
    add_header X-Content-Type-Options nosniff;
    add_header Referrer-Policy        no-referrer;

    location / {
        proxy_pass         http://127.0.0.1:3002;
        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 $scheme;

        # Timeouts — GHL expects quick 200 for webhook; 30s is generous
        proxy_connect_timeout 10s;
        proxy_send_timeout    30s;
        proxy_read_timeout    30s;
    }
}