9 articles
If you've been running HAProxy in production for any length of time, you've probably hit one of two problems: either your users keep losing their sessions...
Blue-green deployments are one of the cleanest ways to ship without waking anyone up at 3am. HAProxy makes this surprisingly straightforward with ACL-based...
Advanced HAProxy SSL configuration — multi-domain SNI routing from a single frontend, mutual TLS (mTLS) for service-to-service authentication, certificate management, and OCSP stapling.
A comprehensive HAProxy configuration guide covering frontends, backends, balance algorithms, active health checks, SSL termination, ACLs, rate limiting, and the runtime socket API.
Step-by-step guide to building a highly available load balancer pair with HAProxy and Keepalived — covering the full stack from VIP configuration to health checks, stats, and SSL termination.
Diagnose and fix HAProxy 503 Service Unavailable errors caused by backend servers failing health checks, connection limits, or misconfigured routing.
Configure HAProxy health checks at TCP, HTTP, and application layers with automatic failover, backup servers, and alerting for production reliability.
Configure HAProxy SSL termination to offload TLS from backend servers, including certificate management, hardening, and SNI-based routing.
Configure HAProxy for HTTP and TCP load balancing — installation, frontends, backends, health checks, ACLs, SSL termination, and the stats dashboard.