Express-session Secure Cookies not working

Question

When not using secure cookie true setting, my app user login works fine. When I enable secure cookies, the login appears to go through fine, but it seems the cookie is not s

Answer 1

 ServerName xx.com
    ProxyPreserveHost On


        ProxyPreserveHost On
        ProxyPass http://localhost:8080/
        ProxyPassReverse http://localhost:8080/
        RequestHeader set X-Forwarded-Port "443"
        RequestHeader set X-Forwarded-Proto "https"