Nginx balancer variables

Here is a list of pre-defined environment variables on Nginx load balancer nodes. These are mostly informational only, meaning that editing them will not change your environment's configuration.

To add your own environment variables follow the steps outlined in our feature description article: Environment Variables.

ENV VAR Value (example) Description Informational only
HAPROXY_VERSION 1.16.1 Current template version for Nginx balancer. Yes
DOCKER_EXPOSED_PORT 22,443,5000,80 List of ports opened via container firewall during environment creation. Yes
MASTER_IP Nginx balancer's master node's IP. Yes
MASTER_ID 217691 ID of the Nginx balancer master node Yes
MASTER_HOST node217691 Short hostname for the Nginx balancer master node. Yes
PATH /usr/local/sbin:/usr/local/bin List of paths for directories with executable program files, default shell variable. Yes
UPSTREAM_KEEPALIVE 100 Sets the keepalive directive value for the upstream. No
WORKER_PROCESSES auto Establishes whether the number of worker processes is autodetected by Nginx (auto) or is equal to the number of CPU cores (define) . No
OWASP_MODSECURITY_CRS_VERSION 3.1.1 Version of OWASP ModSecurity Core Rule Set installed. Yes