The Puppet master comes by default with a basic WEBrick server. It allow a quick start for those that are not familiar with Puppet, but when the number of Puppet nodes grows, the performances of the default WEBrick server are going down quickly.
The Puppet documentation show how to configure Apache and Passenger to replace the default WEBrick server, but what if you have a lot of nodes ? What if you want to apply your configuration within minutes, instead of the default half-hour threshold before the agent asks the master if something changed ?
Or you may just want a fancy Nginx instead of your plain-old-reliable Apache.
Here is how.