Modules #
Nginx is designed modularly — its features are divided into independent module components that can be compiled into the main binary or loaded separately at runtime. This modular design is the main secret to why the Nginx binary stays small, efficient, and has very low resource consumption: we only include the features we truly need on the production server.
Through modules, we can extend Nginx’s function from a simple static web server into a sophisticated application gateway (API Gateway), a web application firewall (WAF), a dynamic load balancer, and even a custom CDN.
Nginx Module Learning Roadmap #
In this section, we’ll learn the Nginx module architecture and ecosystem from basic to advanced levels. Here’s the learning roadmap we’ll take:
flowchart TD
Start["1. Understand the Nginx Module Ecosystem"] --> Bawaan["2. Core Built-in Modules<br/>(stub_status, realip, map, geo, auth_request, etc.)"]
Bawaan --> PihakKetiga["3. Popular Third-Party Modules<br/>(ngx_brotli, headers-more, WAF ModSecurity, geoip2)"]
Bawaan --> LuaOpenResty["4. Lua and OpenResty Integration<br/>(Dynamic Access Logic, Redis, Rate Limiting)"]
PihakKetiga --> Dynamic["5. Dynamic Module Management<br/>(Custom C Compilation, load_module, Version Compatibility)"]
LuaOpenResty --> Dynamic
classDef default fill:#f9f9f9,stroke:#d1d5db,stroke-width:1px,color:#111827;
classDef pathStyle fill:#eff6ff,stroke:#3b82f6,stroke-width:2px,color:#1e3a8a;
class Start,Bawaan,PihakKetiga,LuaOpenResty,Dynamic pathStyle;Detailed Discussion List #
Here are the details of the topics we’ll discuss in this section:
| Article Title | Learning Description | Competency Output |
|---|---|---|
| Built-in Modules | Dissect Nginx core modules like stub_status, realip, sub, map, geo, split_clients, auth_request, secure_link, and addition. | Be able to enable monitoring, manipulate responses, dynamic routing, and external auth integration. |
| Lua & OpenResty | Explore the OpenResty ecosystem, request handling cycles, Redis/MySQL integration, custom rate limiting, and Lua scripting. | Be able to write high-performance application logic directly at the web server/gateway level. |
| Third-Party Modules | Implement popular community modules like ngx_brotli, headers-more, vts-monitor, the ModSecurity WAF, and GeoIP2. | Be able to strengthen security, compression, geolocation, and advanced vhost monitoring. |
| Dynamic Module | Compare static vs dynamic modules, the load_module directive, binary compatibility issues, and custom module compilation. | Be able to add, maintain, and compile modules without rewriting or Nginx downtime. |