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Nginx HTTP Server - Fourth Edition
book

Nginx HTTP Server - Fourth Edition

by Martin Bjerretoft Fjordvald, Nedelcu
February 2018
Beginner to intermediate
348 pages
9h 40m
English
Packt Publishing
Content preview from Nginx HTTP Server - Fourth Edition

Image filter

This module provides image processing functionalities through the GD Graphics Library (also known as gdlib).

This module is not included in the default Nginx build.

Make sure to employ the following directives on a location block that filters image files only, such as location ~* \.(png|jpg|gif|webp)$ { ... }.

Directive

Description

image_filter

Context: location

Lets you apply a transformation on the image before sending it to the client. There are five options available:

  • off: Turns off previously set image_filter
  • test: Makes sure that the requested document is an image file; returns a 415 Unsupported media type HTTP error if the test fails
  • size: Composes a simple JSON response indicating information about the image, ...
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Publisher Resources

ISBN: 9781788623551