Book Image

NGINX Cookbook

By : Tim Butler
Book Image

NGINX Cookbook

By: Tim Butler

Overview of this book

NGINX Cookbook covers the basics of configuring NGINX as a web server for use with common web frameworks such as WordPress and Ruby on Rails, through to utilization as a reverse proxy. Designed as a go-to reference guide, this book will give you practical answers based on real-world deployments to get you up and running quickly. Recipes have also been provided for multiple SSL configurations, different logging scenarios, practical rewrites, and multiple load balancing scenarios. Advanced topics include covering bandwidth management, Docker container usage, performance tuning, OpenResty, and the NGINX Plus commercial features. By the time you've read this book, you will be able to adapt and use a wide variety of NGINX implementations to solve any problems you have.
Table of Contents (14 chapters)

Conditional logging

There are some instances where we may want to log different data, based on some sort of conditional argument. For instance, if you have a beta copy of your application and are interested in gathering more information for it, we can log this data just for the beta URL. Rather than clogging up our log files with the additional information when it's not required, we can simply trigger it when required.

How to do it...

To enable, we map the ($args) URI arguments to a $debuglogs variable, based on if a condition is set. Here's the code:

map $args $debuglogs { 
    default     0; 
    debug       1; 
} 

Like the custom log formats, this needs to be placed outside of the server directives. Then, within...