RewriteEngine On # Force HTTPS RewriteCond %{HTTPS} !=on RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301] # SPA fallback — if the request isn't a real file or directory, # serve index.html and let React Router handle it RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^ /index.html [L]