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Duvaryne — Duvaryne LLP

Case Studies

Selected engagements

Ten production builds, described in full technical detail — including the parts we would do differently. Client names withheld under NDA; everything else is on the page.

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10 of 10 engagements

Compute spend reduced 50–60%. Node provisioning 4 min → 45 s. EKS, Karpenter, Spot, bin packing.

Autonomous Cloud Cost Optimisation: Karpenter and Spot on EKS

  • Amazon EKS
  • Karpenter
  • EC2 Spot
  • Terraform
  • Amazon EFS
  • Bin packing
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Recovery time objective under 15 minutes. 95% standby cost reduction. Aurora Global, ArgoCD, Route 53.

Automated Multi-Region Disaster Recovery via GitOps and Global Replication

  • Aurora Global Database
  • ArgoCD
  • Amazon Route 53
  • Amazon EKS
  • Terraform
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100% of unverified artifacts blocked. 90% less security review time. AWS KMS, Cosign, Kyverno, EKS.

Zero-Trust Software Supply Chain with Cryptographic Image Attestation

  • AWS KMS
  • Cosign
  • Kyverno
  • Amazon EKS
  • AWS CodePipeline
  • Trivy
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Zero-touch deployment. Reproducible across environments. Terraform, Docker Compose, Prometheus, Grafana.

End-to-End Automated Observability Stack on AWS

  • Terraform
  • Docker Compose
  • Prometheus
  • Grafana
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80% less release overhead. Weekly deploys became several a day. Jenkins, Docker, AWS CodeBuild.

Containerised CI/CD Modernisation with Jenkins and Docker

  • Jenkins
  • Docker
  • GitHub
  • AWS CodeBuild
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300% increase in deployment velocity. 40% cut in non-production spend. EKS, Step Functions, ArgoCD.

Self-Service Ephemeral Environments on an Internal Developer Platform

  • Amazon EKS
  • AWS Step Functions
  • ArgoCD
  • AWS Lambda
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90% fewer after-hours pages. Zero-downtime storage scaling. Prometheus, Alertmanager, Lambda, EKS.

Event-Driven Remediation with Prometheus and Serverless Logic

  • Prometheus
  • Alertmanager
  • AWS Lambda
  • Amazon EKS
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Grade A on Qualys SSL Labs. Zero-touch certificate renewal. Nginx, TLS 1.3, HTTP/2, Certbot.

High-Performance Web Edge: Nginx with Automated TLS Termination

  • Nginx
  • Ubuntu LTS
  • Let's Encrypt
  • Certbot
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Portable Kubernetes deployment. Self-healing and horizontally scalable. Docker, Kubernetes, Redis, Helm.

Deploying a Stateless Microservice on Kubernetes with Redis

  • Kubernetes
  • Docker
  • Redis
  • Helm
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99.99% uptime. 40% faster query response. EC2 Auto Scaling, RDS Multi-AZ, S3, Lambda, SNS.

Highly Available Three-Tier AWS Architecture with Event-Driven Automation

  • Amazon EC2
  • Amazon RDS
  • Amazon S3
  • AWS Lambda
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