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AWSChanny Yun (윤석찬)5 min readrelease notesintermediate

AWS Elastic Beanstalk introduces Cluster Mode

Read on amazon.com

Summary

AWS Elastic Beanstalk now offers a fully‑managed Cluster Mode that runs multiple applications on a shared Amazon EKS cluster, handling containerization, scaling, patching and observability automatically. It adds AI‑driven troubleshooting, OpenTelemetry support and standard deployment strategies while charging only for the underlying AWS resources.

  • Cluster Mode runs multiple apps on a shared EKS cluster, lowering per‑app cost through bin‑packing.
  • Deploy source code directly; Elastic Beanstalk uses Cloud Native Buildpacks to containerize without Dockerfiles.
  • Built‑in AI health analysis collects logs and suggests fixes, reducing manual debugging effort.
  • First deployment creates the EKS control plane (~10 min); later deployments reuse the cluster and are faster.

Teams with many microservices on AWS should care because Cluster Mode gives a managed PaaS layer over EKS, simplifying operations and reducing cost.

5/10
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