Editing Virtual Hosts in project_name.conf

For Shopware 6 installation In need to adjust the routing settings of the web server DocumentRoot SHOPWARE_DIR/public
See the instruction https://docs.shopware.com/en/shopware-6-en/first-steps/installing-shopware-6?category=shopware-6-en/getting-started

I tried to set it in a .htaccess file in project root folder but it did not work.
I see in browser Virtual Hosts that there is a file /vhost.d/shopware6.conf where probably I should insert the code but since I can’t get inside of VM created by Docker I am looking for a file where I can adjust the routing settings in Windows file system. Any Ideas?