Proxy Trfyx with Caddy

yourdomain.com {
    handle /script.js {
        reverse_proxy https://app.trfyx.com {
            header_up Host app.trfyx.com
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
            header_up X-Forwarded-Proto {scheme}
        }
    }

    handle /api/events {
        reverse_proxy https://app.trfyx.com {
            header_up Host app.trfyx.com
            header_up X-Real-IP {remote_host}
            header_up X-Forwarded-For {remote_host}
            header_up X-Forwarded-Proto {scheme}
        }
    }

    # Your other site configuration...
}

<script
  defer
  data-website-id="YOUR_TRFYX_PROJECT_ID"
  data-domain="yourdomain.com"
  src="/script.js"
></script>