Here is my conf file on ubuntu /etc/apache2/sites-available/test.sip.ch.conf
<VirtualHost *:80>
ServerName test.sip.ch
DocumentRoot /var/www/vhost/testsipch/public
ErrorLog /var/log/apache2/testsipch.log
CustomLog /var/log/apache2/testsipch.log combined
<Directory /var/www/vhost/testsipch/public>
Options Indexes FollowSymLinks Includes ExecCGI
AllowOverride All
Require all granted
</Directory>
</VirtualHost>
after adding the file execute sudo a2ensite test.sip.ch.conf and then execute sudo systemctl reload apache2