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Example haproxy.conf for port forwarding to node.js
#---------------------------------------------------------------------
# Example configuration for a possible web application. See the
# full configuration options online.
#
# http://haproxy.1wt.eu/download/1.4/doc/configuration.txt
#
#---------------------------------------------------------------------
#---------------------------------------------------------------------
# Global settings
#---------------------------------------------------------------------
global
# to have these messages end up in /var/log/haproxy.log you will
# need to:
#
# 1) configure syslog to accept network log events. This is done
# by adding the '-r' option to the SYSLOGD_OPTIONS in
# /etc/sysconfig/syslog
#
# 2) configure local2 events to go to the /var/log/haproxy.log
# file. A line like the following can be added to
# /etc/sysconfig/syslog
#
# local2.* /var/log/haproxy.log
#
log 127.0.0.1 local2
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 4000
user haproxy
group haproxy
daemon
# turn on stats unix socket
stats socket /var/lib/haproxy/stats
#---------------------------------------------------------------------
# common defaults that all the 'listen' and 'backend' sections will
# use if not designated in their block
#---------------------------------------------------------------------
defaults
mode http
log global
option httplog
option dontlognull
option http-server-close
option forwardfor except 127.0.0.0/8
option redispatch
retries 3
timeout http-request 10s
timeout queue 1m
timeout connect 10s
timeout client 1m
timeout server 1m
timeout http-keep-alive 10s
timeout check 10s
maxconn 3000
#---------------------------------------------------------------------
# main frontend which proxyies to backends
#---------------------------------------------------------------------
frontend main *:80
# acl url_static path_beg -i /static /images /javascript /stylesheets
# acl url_static path_end -i .jpg .gif .png .css .js
# acl is_api path_beg -i /www_api/
acl is_websocket hdr(Upgrade) -i WebSocket
acl is_websocket hdr_beg(Host) -i ws
# use_backend api if is_api
use_backend chatsocket if is_websocket
default_backend nodechat #temp, node serves it all at the mo
#---------------------------------------------------------------------
# static backend for lighttpd
#---------------------------------------------------------------------
#backend api
# balance roundrobin
# server static 127.0.0.1:81 check
#---------------------------------------------------------------------
# chat websocket backend
#---------------------------------------------------------------------
backend chatsocket
balance roundrobin
server nodechat1 127.0.0.1:8080 check
#---------------------------------------------------------------------
# add more backends to roundrobin loadbalance
#---------------------------------------------------------------------
backend nodechat
balance roundrobin
server nodehttp1 127.0.0.1:8080 check
errorfile 503 /www/nodechat/public/errorpages/503.http
# server nodehttp2 127.0.0.1:9000 check
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