How you translate
RewriteEngine on
RewriteRule ^$ /index.php [L]
RewriteCond $1 !^(index.php|img|css|js|robots.txt|favicon.ico|update.php|install.php)
RewriteRule ^(.*)$ /index.php/$1 [L]
To NGINX syntax.
I'm having problems with NGINX+PHP running Bamboo Invoice.