Building Enterprise JavaScript Applications

Attaching hostnames to Pods

But what should the value of this environment variable be? Currently, the IP addresses of the Elasticsearch Pods is random (within a large range) and may change at any time.

To resolve this issue, we need to give each Pod a unique hostname that sticks to the Pod, even if it gets rescheduled.

When you visit a website, you usually won't type the site's IP address directly onto the browser; instead, you'd use the website's domain name. Even if the host of the website changes to a different IP address, the website will still be reachable on the same domain name. This is similar to what happens when we attach a hostname to a Pod.

To achieve this, we need to do two things:

1. Provide each Pod with an identity using another ...