SampleHAProxy

global
	log /dev/log	local0
	log /dev/log	local1 notice
	chroot /var/lib/haproxy
	stats socket /run/haproxy/admin.sock mode 660 level admin
	stats timeout 30s
	user haproxy
	group haproxy
	daemon

	# Default SSL material locations
	ca-base /etc/ssl/certs
	crt-base /etc/ssl/private

	# Default ciphers to use on SSL-enabled listening sockets.
	# For more information, see ciphers(1SSL). This list is from:
	#  https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
	# An alternative list with additional directives can be obtained from
	#  https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=haproxy
	ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!MD5:!DSS
	ssl-default-bind-options no-sslv3

defaults
	log	global
	mode	http
	option	httplog
	option	dontlognull
        timeout connect 5000
        timeout client  50000
        timeout server  50000
	errorfile 400 /etc/haproxy/errors/400.http
	errorfile 403 /etc/haproxy/errors/403.http
	errorfile 408 /etc/haproxy/errors/408.http
	errorfile 500 /etc/haproxy/errors/500.http
	errorfile 502 /etc/haproxy/errors/502.http
	errorfile 503 /etc/haproxy/errors/503.http
	errorfile 504 /etc/haproxy/errors/504.http


frontend http-in
	bind *:80
	
	#letsencrypt ssl stuff
    bind *:443 ssl crt /etc/ssl/<my domain>/<my domain>.pem crt /etc/ssl/<my domain>-0001/<my domain>-0001.pem

    redirect scheme https code 301 if !{ ssl_fc }

	acl letsencrypt-acl path_beg /.well-known/acme-challenge/
	use_backend letsencrypt-backend if letsencrypt-acl

	#Header forwarders
	reqadd X-Forwarded-Proto:\ https
	reqadd X-Forwarded-Ssl:\ on
	
	# Define hosts
	acl host_dubweb hdr(host) -i dubweb.<my domain>
	acl host_webserver hdr(host) -i <my domain>

	## figure out which on to use
	use_backend dubweb_cluster if host_dubweb
	use_backend webserver if host_webserver

backend dubweb_cluster
	balance leastconn
	option httpclose
	option forwardfor
	cookie JSESSIONID prefix
	server dubweb1 dubweb:8000 cookie A check

backend letsencrypt-backend
	server letsencrypt 127.0.0.1:8888

#Fallback

backend webserver
	balance leastconn
	option httpclose
	option forwardfor
	cookie JSESSIONID prefix
	server webserver1 webserver:80 cookie A check

#Monitoring
listen stats 
	bind :1936
	mode http
	stats enable
	stats hide-version
	stats realm Haproxy\ Statistics
	stats uri /haproxy?stats