Tutorial series

Lua Openresty

5 tutorials — follow in order for the best learning path.

1. Getting Started with OpenResty

   Get started with OpenResty — install on Linux, macOS, or Docker, then write Lua inside Nginx using the ngx API for routing, caching, and Redis-backed services.

   12 min read · intermediate
2. Routing and Middleware in OpenResty

   Implement routing middleware in OpenResty with Lua scripts across Nginx request phases: rewrite, access, content, log.

   beginner
3. Building a REST API with OpenResty

   Building REST APIs with OpenResty: routing, JSON handling, shared-dict caching, error recovery, external HTTP.

   advanced
4. Rate Limiting with Lua and Shared Dicts

   Learn how to implement rate limiting in OpenResty using ngx.shared.DICT, covering fixed window counters, token buckets, and lua-resty-limit-traffic.

   intermediate
5. Using Redis from Lua in OpenResty

   Use Redis Lua client lua-resty-redis in OpenResty: connection pooling, pipelining, Pub/Sub, transactions, ngx.null.

   intermediate