ProxyPreserveHost On
ProxyPass / http://127.0.0.1:8080/
ProxyPassReverse / http://127.0.0.1:8080/

Redirect 301 /.well-known/carddav /remote.php/dav
Redirect 301 /.well-known/caldav /remote.php/dav

RequestHeader set X-Forwarded-Proto "https"
RequestHeader set X-Forwarded-Ssl "on"