haproxy configuration for rewriting to /myapp - redirect

Question

Here is my haproxy configuration
global
log 127.0.0.1 local2
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 16384
user haproxy
group haproxy
daemon
# turn on stats unix socket
stats socket /var/run/haproxy.cmd
defaults
mode http
log global
option httplog
option dontlognull
option httpclose
option forwardfor except 127.0.0.0/8
option redispatch
retries 3
timeout http-request 10s
timeout queue 1m
timeout connect 20s
timeout client 45s
timeout server 45s
timeout check 20s
maxconn 16384
listen stats :9000
mode http
stats enable
stats uri /haproxy
stats realm HAProxy\ Statistics
stats auth haproxy:password
stats admin if TRUE
listen http :80
#balance leastconn
#balance roundrobin
balance source
option http-server-close
option forwardfor
server web1 10.0.2.10:8080 check inter 3000 rise 2 fall 3
server web2 10.0.2.11:8080 check inter 3000 rise 2 fall 3
# acl has_www hdr_beg(host) -i www
# http-request redirect code 301 location myapp
It is working like this:
I type http://www.example.com:8000 or http://www.example.com so it goes to jboss's 8080 port.
My application is actually accessible through example.com/suite but because the port 80 is blocked by ISP, that's why I am using the port 8000 and because of this; my application is accessible through example.com:8000/mypp
I want to use haproxy config to forward whoever types example.com:8000 to example.com:8000/myapp
How to achieve it?
I am missing something right?

Answer 1

When you define "Server" in your backend nodes section, you can have URI attached to the IP and port like below to achieve what you are looking for,
defaults
log global
mode http
option httplog
option dontlognull
timeout connect 5000
timeout client 50000
timeout server 50000
frontend localnodes
bind 0.0.0.0:9876
mode http
default_backend nodes
backend nodes
mode http
balance roundrobin
option forwardfor
http-request set-header X-Forwarded-Port %[dst_port]
http-request add-header X-Forwarded-Proto https if { ssl_fc }
option httpchk HEAD / HTTP/1.1\r\nHost:localhost
server web01 127.0.0.1:8443/**myApp** check