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Understanding How Applications Are Exposed in Oracle Kubernetes Engine

Summary:

Best Practices for Exposing Web Applications on Oracle Kubernetes Engine (OKE)


Content (please ensure you mask any confidential information):

While working with Oracle Kubernetes Engine (OKE), I explored different approaches for exposing web applications running inside the Kubernetes cluster.

In a typical OKE deployment, applications are deployed using Kubernetes Deployments that run multiple replicas of application pods across worker nodes. These pods are exposed internally using a Kubernetes Service which provides a stable endpoint for communication inside the cluster.

For external access, one commonly used approach is creating a Service of type LoadBalancer. In Oracle Kubernetes Engine, this automatically provisions an OCI Load Balancer that routes external traffic to the Kubernetes service.

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