🏗️ DevOps & Infrastructure

Five Monoliths Containerized for EKS: Sizes Slashed, Builds Fixed, Lessons Burned In

Build failed. Node image hit 1.1GB. That's when containerizing these five monoliths for EKS got real—exposing the gaps between tutorials and production.

Docker containers deploying five monolith apps to Amazon EKS cluster dashboard

⚡ Key Takeaways

  • Multi-stage Dockerfiles slash sizes 70% average—Node from 1.1GB to 235MB. 𝕏
  • .dockerignore and non-root users: non-negotiables pros swear by. 𝕏
  • EKS migrations save 30-50% vs VMs; pragmatic for monoliths, not just microservices. 𝕏
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Originally reported by Dev.to

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