apache rewrite rules for rails cache_page in /public/cache directory

cache

  RewriteEngine On

  # home page cache
  RewriteCond %{THE_REQUEST} ^(GET|HEAD)
  RewriteCond %{QUERY_STRING} ^$
  RewriteCond %{REQUEST_URI} ^/([^.]+)$
  RewriteCond %{DOCUMENT_ROOT}/cache/%1.html -f
  RewriteRule ^/[^.]+$ /cache/%1.html [QSA,L]

  # general pages cache
  RewriteCond %{THE_REQUEST} ^(GET|HEAD)
  RewriteCond %{QUERY_STRING} ^$
  RewriteCond %{DOCUMENT_ROOT}/cache/index.html -f
  RewriteRule ^/$ /cache/index.html [QSA,L]