How go configure apache on OS X 10.13 High Sierra
/etc/apache2/users/USERNAME.conf
<Directory "/Users/USERNAME/Sites/">
Options Indexes Multiviews
AllowOverride AuthConfig Limit
Order allow,deny
Allow from all
</Directory>
sudo apachectl start
/private/etc/hosts
dscacheutil -flushcache;sudo killall -HUP mDNSResponder