Apache Configuration

Add the following to your default site (/etc/apache2/sites-enabled/000-default.conf):

ProxyPreserveHost On
ProxyPass /ktor http://localhost:8080/ 
ProxyPassReverse /ktor http://localhost:8080/

Ensure that both proxy and http_proxy modules are running

sudo a2enmod proxy
sudo a2enmod proxy_http

Restart the Webserver

systemctl restart apache2

Compiling & Running

I used corretto 11. Ensure that your JDK/JRE Version is the same or newer