Nginx Cheatsheet 11 — Performance Tuning
Cheatsheet: worker tuning, sysctl, connection limits, profiling.
Nginx
Nginx Cheatsheet 12 — Streaming, SSE, WebSocket
Cheatsheet: SSE config, WebSocket proxy, buffering off, timeouts.
Nginx Cheatsheet 13 — Geo, Maps, and Variables
Cheatsheet: map, geo, GeoIP2, split_clients, perl/lua-style logic.
Nginx Cheatsheet 14 — OpenResty / Lua
Cheatsheet: Lua hooks, access/content/body filters, Redis.
Nginx Cheatsheet 15 — Docker + Nginx
Cheatsheet: Dockerfile, compose, config templates, env substitution.
Nginx Cheatsheet 16 — High Availability
Cheatsheet: keepalived VIP, DNS failover, anycast, blue-green.
Nginx Cheatsheet 17 — Nginx as API Gateway
Cheatsheet: path/header routing, auth, rate limit, CORS, request transforms.
Nginx Cheatsheet 18 — Common Patterns
Cheatsheet: www to apex, http to https, mirror, A/B testing, error page.
Nginx Cheatsheet 19 — Debugging Nginx
Cheatsheet: error log levels, debug, strace, common error meanings.
Nginx Cheatsheet 20 — Production Nginx Setup
Cheatsheet: full prod nginx.conf with TLS, security, perf, monitoring.