AWS Serverless Kubernetes Infrastructure with Amazon EKS on AWS Fargate. Take a closer look at AWS Fargate, and find out how it can be used to create a serverless Kubernetes infrastructure that supports your application on EKS.
The focus on most cloud services and infrastructure is not just making cloud resources available but also making sure that your applications can run smoothly and efficiently. The latter is very important because cost-efficiency has always been a challenge for developers and administrators alike. Everything from provisioning more resources than required to not destroying provisioned nodes when they are no longer in use could result in your cloud expenses ballooning without you even realizing.
Cloud service providers are aware of this demand for better cost-efficiency, which is why they have been introducing features like elasticity and serverless services these past few years. In this article, however, we are going to focus on a specific service, the AWS Fargate, and how it can be used to create a serverless Kubernetes infrastructure that supports your application. Let’s take a closer look, shall we?
AWS Fargate for EKS was first announced in 2019 and has since become the go-to service for developers and organizations who want to save money one pod at a time. As the name suggests, the orchestration service is based on EKS—there is also AWS Fargate for ECS—and Kubernetes as the foundation.
What Fargate does is abstract the entire cluster from pods operations. You don’t have to establish your own control plane. You don’t even need a data plane. You can go straight to creating a cluster and provisioning pods to run microservices or entire applications.
Since there is no need to allocate resources for the underlying cluster, AWS Fargate for EKS offers maximum efficiency. You only pay for the pods that you run. The fact that it is a managed service further lowers your overhead. A small team of developers can manage a complex cloud infrastructure with ease.
Fargate offers added flexibility too. For starters, you can run pods as they are—without your own cluster—or use Fargate pods in a mixed or hybrid way. You can still create a cluster using EKS, and then run additional pods on Fargate. For on-demand applications or for when pods require more processing power than you have, Fargate is extremely useful in the hybrid mode.
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