RewriteEngine On

# if static file exists at location, serve it:
RewriteCond %{REQUEST_FILENAME} 					-f
RewriteCond %{REQUEST_FILENAME} 					-d
RewriteRule .*? 									-											[L]

# if cache for the file exists, serve it:
RewriteCond %{DIRECTORY_ROOT}/cache/%{REQUEST_URI}	-f
RewriteRule /										$
RewriteRule .*?										/cache/%{REQUEST_URI}						[L]

# last route is the Flow dispatcher
RewriteRule .*?										/-/flow/dispatcher.php						[L]