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Scaling infrastructure from EC2-centric deploy to Kubernetes

Infrastructure

Growth and release cadence outpaced a traditional EC2 deployment model. We moved the runtime path toward Kubernetes so scaling and deploys could keep up without heroics.

  • Amazon EKS
  • Containers
  • CI/CD

Read the Recent Work note

01 · Story

The engagement

EC2-centric delivery can work until release volume, horizontal scale, and operational consistency start fighting the model. The goal was not “Kubernetes for its own sake”—it was a runtime that could grow with the product.

We planned and executed a path from the existing footprint toward EKS-backed deployment, with attention to networking, workloads, and how the team ships day to day.

02 · Constraints

Challenges

  • 01

    Move without a freeze

    Production traffic and feature work do not pause for a platform rewrite. The cutover path had to be staged and reversible where it mattered.

  • 02

    Ops skill shift

    Pods, services, and cluster concerns are a different mental model than long-lived instances. Tooling and docs had to meet the team where they were.

  • 03

    Right-size the platform

    Overbuilding a cluster is as expensive as underbuilding. Capacity, networking, and deploy pipeline choices had to match actual load and release habits.

03 · Delivery

What we did

  • Assessed current deploy and runtime pain points before choosing the target shape
  • Introduced containerized workloads and cluster plumbing in stages
  • Aligned CI/CD so deploys stay boring after the move
  • Left clear operational notes for day-two work: scaling, rollbacks, and ownership

04 · Results

Outcomes

  • A scaling path that matches product growth instead of instance babysitting
  • More consistent deploys across environments
  • A foundation for further service extraction when the product needs it

Stack

Amazon EKSKubernetesCI/CDAWS

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