195 Variables · Module Guides

Master NGINX
from config to C code

The definitive educational reference — deep-dive module guides with source code review, a comprehensive searchable variable index, and production-ready configuration patterns.

Browse Variables Module Guides Browse Directives
nginx.conf — nginx101.com
195+
Variables Documented
10+
Module Deep-Dives
2340+
Directives Referenced
195+
Config Examples
From reference to production

Stop compiling NGINX modules by hand

Turn the configuration you learn here into a maintained deployment. GetPageSpeed ships ABI-matched modules as native RPM and DEB packages with repeatable upgrades.

100+ prebuilt NGINX modules amd64 + arm64 RPM + DEB
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What you'll learn

Everything NGINX, explained

From reverse proxy basics to C module internals — with production configs, source walkthroughs, and real gotchas.

Variables Reference

Searchable index of NGINX variables across core HTTP, stream, and third-party modules — with config examples and gotchas.

195 variables

Module Deep-Dives

Comprehensive articles on third-party modules: purpose, directives, C source review, and packaged installation from GetPageSpeed for RPM and DEB systems.

10 modules

Directives Reference

Every core and module directive with syntax, defaults, contexts, and production-ready configuration examples.

2340 directives
Deep understanding

Beyond the docs —
into the source

Every module guide walks through the C source code to explain why and how directives actually work under the hood.

  • ✓ Directive syntax, defaults, and valid contexts
  • ✓ C module handler internals and request flow
  • ✓ Packaged installation for RPM and DEB systems
  • ✓ Real gotchas, edge cases, and known issues
nginx.conf
# WebP auto-conversion with fallback map $http_accept $webp_suffix { default ""; "~*webp" ".webp"; } server { listen 443 ssl http2; server_name nginx101.com; location ~* ^/img/(.+)\.(png|jpe?g)$ { set $base /img/$1; try_files $base$webp_suffix $uri =404; } }