Running Drupal on Debian 9 with Apache 2.4, HTTP/2, event MPM and PHP-FPM (via socks and proxy)
My article Running Drupal on Debian 8 with Apache 2.4, event MPM and PHP-FPM (via socks and proxy) is one of the most read on xdeb.org. Here is the updated version for Debian 9. I mention Drupal in the title but this setup should work well for most PHP based systems like Wordpress and Joomla etc.