Nginx in rancher configuration for datadog monitoring

status.conf

server {
    listen 81;
    server_name localhost;

    access_log off;
    allow 127.0.0.1;
    allow 172.17.0.0/16;  # docker bridge cidr
    allow 10.42.0.0/16;   # rancher managed cidr
    deny all;

    location /nginx_status {
        # Choose your status module

        # freely available with open source NGINX
        stub_status;

        # for open source NGINX < version 1.7.5
        # stub_status on;

        # available only with NGINX Plus
        # status;

        # ensures the version information can be retrieved
        server_tokens on;
    }
}