HAProxy je nejrozšířenější open-source load balancer.
Instalace¶
sudo apt install haproxy sudo systemctl enable –now haproxy
Konfigurace¶
global maxconn 50000 defaults mode http timeout connect 5s timeout client 30s timeout server 30s frontend web bind *:80 bind *:443 ssl crt /etc/ssl/site.pem redirect scheme https if !{ ssl_fc } default_backend servers backend servers balance roundrobin option httpchk GET /health server web1 10.0.1.1:3000 check server web2 10.0.1.2:3000 check server web3 10.0.1.3:3000 check backup
Stats¶
listen stats bind *:8404 stats enable stats uri /stats
- ACL routing — URL, headers, cookies
- Rate limiting — stick tables
- Connection draining — graceful shutdown
- SSL termination
HAProxy = spolehlivost¶
Battle-tested load balancer pro produkci.
haproxyload balancingha