Tech:Prod4

prod4 is a server in London running Debian stable. Our Ansible playbook is available on GitHub. Ansible automatically pulls and runs the playbook on the server every 10 minutes.

nginx
nginx is the webserver. Its main tasks include SSL/TLS termination, gzip compression and FastCGI proxying. The nginx version is the upstream stable version, as opposed to the Debian stable version.

PHP
PHP5 worker processes are managed by php-fpm (PHP FastCGI process manager). APC does the opcode caching.

SSL/TLS
The SSL/TLS configuration is extremely secure (SSL Labs test). It's inspired by the OpenSSL Cookbook.

MediaWiki
We run the latest version of MediaWiki and have a varying amount of extensions and skins installed to customise the experience for the end user.