RewriteEngine on
RewriteCond %{HTTP_HOST} ^(www.)?([a-z]*-)?metzler-relaunch2016-frontend.dev.(queo-group\.com|queo\.org)$
RewriteCond %{REQUEST_URI} !^/build/
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /build/$1
RewriteCond %{HTTP_HOST} ^(www.)?([a-z]*-)?metzler-relaunch2016-frontend.dev.(queo-group\.com|queo\.org)$
RewriteRule ^(/)?$ build/index.html [L]