Nginx Upstream Keepalive Connections for Backend APIs
Upstream keepalive reuses idle backend connections and lowers repeated connection setup costs. Begin with requirements and the workload. Record what users...
Category
Nginx
Fixes for reverse proxy errors, SSL configuration, and caching issues in Nginx.
Nginx Rate Limiting by Client IP Behind a Trusted Reverse Proxy
A forwarded address must be trusted only from known proxies, or clients can impersonate arbitrary IP addresses. An engineering decision begins with the real...
Nginx Proxy Buffering vs Streaming for Server-Sent Events
Proxy buffering can delay server-sent events even when the application flushes promptly. Start from concrete production requirements rather than copying a...
Nginx WebSocket Upgrade Headers Behind Reverse Proxies
Direct answer: WebSocket reverse proxies need correct upgrade behavior. Production choices must account for a real workload, security boundaries and the...
Nginx Gzip vs Brotli Compression for Text API Responses
Direct answer: Compression trades CPU resources for fewer transferred bytes. Production choices must account for a real workload, security boundaries and the...
Nginx Real IP Module Configuration Behind Trusted Proxies
Direct answer: Forwarded IP headers should be trusted only from known proxies. Production choices must account for a real workload, security boundaries and the...
Nginx Security Headers Best Practices for Web Applications
Quick answer: configure Nginx to send a baseline of security headers: Strict-Transport-Security, X-Content-Type-Options, a framing control, Referrer-Policy,...
Nginx Caching Strategies for Dynamic APIs: When Proxy Cache Helps
Quick answer: Nginx proxy cache can store responses from your API and serve repeated requests without touching the backend. It helps most for public,...
Nginx Location Block Matching Order and Priority Explained
Quick answer: Nginx first checks for an exact match with the equals modifier. Otherwise it finds the longest matching prefix, and if that prefix uses the ^~...