haproxy.cfg

# Requires recent Haproxy to work with websockets (for example 1.4.16).

global
    log 127.0.0.1 local2 debug

defaults
    log global
    mode http
    option httplog
    option dontlognull
    retries 3
    option redispatch
    # Set timeouts to your needs
    timeout client  60s
    timeout connect 60s 
    timeout server  60s 

frontend all 0.0.0.0:3000
    mode http
    timeout client 120s

    option forwardfor
    # Fake connection:close, required in this setup.
    option http-server-close
    option http-pretend-keepalive

    #acl is_sockjs path_beg /sockjs
    #acl is_stats  path_beg /stats

    #use_backend sockjs if is_sockjs
    #use_backend stats if is_stats
    #default_backend static
    default_backend meteor


backend meteor
    balance roundrobin
    cookie SERVERID insert indirect nocache
    server srv_meteor1 127.0.0.1:9000 cookie m1
    server srv_meteor2 127.0.0.1:9003 cookie m2
    server srv_meteor3 127.0.0.1:9005 cookie m3
    server srv_meteor4 127.0.0.1:9007 cookie m4

#backend sockjs
#    # Load-balance according to hash created from first two
#    # directories in url path. For example requests going to /1/
#    # should be handled by single server (assuming resource prefix is
#    # one-level deep, like "/echo").
#
#    # ws://localhost:3000/sockjs/127/sk5ec60x/websocket
#    # ws://localhost:3000/sockjs/146/26xxhg99/websocket
#    balance uri depth 2
#    timeout server  120s
#    server srv_sockjs1 127.0.0.1:9005
#    server srv_sockjs2 127.0.0.1:9007

#backend static
#    balance roundrobin
#    server srv_static 127.0.0.1:3300
#
#backend stats
#    stats uri /stats
#    stats enable