# Settings examples of HAproxy

# listen 80, allocate to 10004 and 10005 by roundrobin

frontend  main
		bind *:80
    default_backend             app

backend app
    server  app1 127.0.0.1:10004
    server  app2 127.0.0.1:10005

# HTTPS with SSL offloading (opens new window)

frontend ssl_proxy
	mode http
	default_backend app
	bind *:443 ssl crt /etc/letsencrypt/live/mydomain.com/mydomain.com.4haproxy.pem

# virtual host tako.mydomain.com, ika.mydomain.com, uni.mydomain.com

backend ssl
	acl tako hdr(host) -m str tako.mydomain.com
	use-server tako if tako
	server tako 127.0.0.1:10004

	acl ika hdr(host) -m str ika.mydomain.com
	use-server ika if ika
	server ika 127.0.0.1:10005

	acl uni hdr(host) -m str uni.mydomain.com
	use-server uni if uni
	server uni 127.0.0.1:10006

# references

official document (opens new window)
version confirmation

ueda@scw-a:~$ /usr/sbin/haproxy -v
HA-Proxy version 1.7.5-2 2017/05/17
Copyright 2000-2017 Willy Tarreau <willy@haproxy.org>

install (opens new window)
start: sudo systemctl start haproxy.service
restart: sudo systemctl restart haproxy.service
stop: sudo systemctl stop haproxy.service
status check: sudo systemctl status haproxy.service

← haproxy