RewriteEngine On
RewriteBase /

AuthType Basic
AuthName "Temporary restricted area"
AuthUserFile .htpasswd
require valid-user

RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ _BUILD_URL_/$1 [R,L]

RewriteRule ^(/*)$ /_BUILD_ID_/index.html [L]
RewriteRule ^/(.*)$ /_BUILD_ID_/$1 [L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d [OR]
RewriteCond %{REQUEST_URI} ^/_BUILD_ID_/ [NC]
RewriteRule ^ - [L]

RewriteCond %{DOCUMENT_ROOT}/_BUILD_ID_/$1 -f
RewriteRule ^(.*)$ _BUILD_ID_/$1 [L]

RewriteRule ^ index.php [L,QSA]