conditional loggin

# add this near the top of the /var/opt//delivery/nginx/etc/server.d/elasticsearch_proxy.conf
# before the server { line but after the initial comment block

map $status $loggable {
    ~^[3]  0;
    default 1;
}


# inside the server { block modify the access_log line to have the ` if=$loggable;` at the end
access_log /var/log/delivery/nginx/es_proxy.access.log opscode buffer=32k flush=10s if=$loggable;