global
    log stdout format raw local0

    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 proxys to the backends
#---------------------------------------------------------------------
frontend main
    mode http
    option httplog
    #capture request header X-Ingress-Path len 256

    bind *:80
    default_backend             octoprint

backend octoprint
  # ref https://community.octoprint.org/t/reverse-proxy-configuration-examples/
  http-request replace-path ^([^\ :]*)\ /local_octoprint_proxy/(.*)  \1\ /\2
  http-request add-header X-Script-Name %[req.hdr(X-Ingress-Path)]
  option forwardfor
  server octoprint OCTOPRINT_HOST:OCTOPRINT_PORT USE_SSL VERIFY_SSL check