This guide explains how to set up uptime monitoring for Hasura GraphQL Engine on Google Kubernetes Engine (GKE) using DataDog. The process involves setting up Hasura GraphQL Engine on GKE, installing the Datadog agent on Kubernetes, and configuring fine-grained metrics with kube-state-metrics. Once these steps are completed, users can create monitoring alerts in DataDog for uptime monitoring of their applications running on a production Kubernetes cluster.