HAProxy — load balancer

Cheat sheet

• haproxy -c -f /etc/haproxy/haproxy.cfg check the config
• sudo systemctl reload haproxy apply it (graceful)
• :8404/stats — backend UP/DOWN status
• frontend bind (ssl crt) → backend: balance + server ... check + option httpchk/forwardfor
• echo "show stat" | sudo socat stdio /run/haproxy/admin.sock runtime