Simple HAProxy config to forward :80 to :3000 (for a Node app)

gistfile1.txt

global
        log /dev/log    local0
        log /dev/log    local1 notice
        chroot /var/lib/haproxy
        user haproxy
        group haproxy
        daemon

defaults
        log     global
        mode    http
        option  httplog
        option  dontlognull
        contimeout 5000
        clitimeout 50000
        srvtimeout 50000
        errorfile 400 /etc/haproxy/errors/400.http
        errorfile 403 /etc/haproxy/errors/403.http
        errorfile 408 /etc/haproxy/errors/408.http
        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
        stats enable
        stats auth someuser:somepassword
        stats uri /haproxyStats

frontend http-in
        bind :80
        default_backend app

        # is this a socket io request?
        acl is_websocket path_beg /socket.io
        acl is_websocket hdr(Upgrade) -i WebSocket AND hdr_beg(Host) -i ws
        use_backend websocket if is_websocket

backend websocket
        balance source
        option forwardfor
        no option httpclose
        option http-server-close
        option forceclose

        timeout queue 5s
        timeout server 24h
        timeout connect 24h

        server node1 localhost:3000 check