Options -Indexes
DirectoryIndex index.php

<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteRule ^robots\.txt$ robots.php [L]
  RewriteRule ^sitemap\.xml$ sitemap.php [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteRule ^ 404.php [L]
</IfModule>

<IfModule mod_headers.c>
  Header always set X-Content-Type-Options "nosniff"
  Header always set X-Frame-Options "SAMEORIGIN"
  Header always set Referrer-Policy "strict-origin-when-cross-origin"
  <FilesMatch "\.(css|js|jpg|jpeg|png|webp|svg|ico)$">
    Header set Cache-Control "public, max-age=2592000"
  </FilesMatch>
</IfModule>

<IfModule mod_expires.c>
  ExpiresActive On
  ExpiresByType text/css "access plus 1 month"
  ExpiresByType application/javascript "access plus 1 month"
  ExpiresByType image/jpeg "access plus 1 year"
  ExpiresByType image/png "access plus 1 year"
  ExpiresByType image/webp "access plus 1 year"
  ExpiresByType image/svg+xml "access plus 1 year"
</IfModule>

<IfModule mod_deflate.c>
  AddOutputFilterByType DEFLATE text/html text/plain text/css application/javascript application/json application/xml image/svg+xml
</IfModule>

<FilesMatch "^(schema\.sql|README\.md|database\.sample\.php)$">
  Require all denied
</FilesMatch>
