Learn from production

• Autoscaling Hid Our LLM Cost Regression (85% → 4% Cache Hit Rate)

  Nick Roan

  This case study shows how a single RAG chunk size change collapsed vLLM prefix-cache hit rate from 85% to 4%, triggering an 80% GPU replica increase while latency stayed flat.

  It also includes the fix: adding a two-phase cache replay gate in CI.

• How My Client Hit Linux Kernel Network Limits on AWS EKS

  Dat Ton

  This case study explains how cURL 65 errors and DNS resolution failures on AWS EKS were caused by Linux kernel network limits being exceeded, resolved by increasing netdev_budget, netdev_budget_usecs, and netdev_max_backlog parameters.

• Orchestrating Secure AI Agents on Amazon EKS

  Matt Camp

  This case study shows how Unitary built Osmia, an open-source orchestration layer on EKS to run autonomous AI coding agents safely at scale using pod isolation, Karpenter, IRSA-based secrets, and real-time trajectory scoring.

• Our Kubernetes Cluster Was Costing $14,850/Month. We Moved to Fly.io for $680.

  Aditya Suryawanshi

  This is a war story about a 3-person startup that replaced a $14,850/month over-engineered Kubernetes setup on AWS with Fly.io for $680, cutting P99 latency from 320ms to 180ms and deploy time from 8 minutes to 45 seconds.

More case studies →

Matching jobs

1. • Data Engineer with OXIO Corporation

   • Salary: $175.5K to $377.3K a year

   • Location: fully remote

   • Tech stack: Kubernetes, AWS, Go, Python, Scala, SQL, Snowflake, Kafka, Airflow, Spark

2. • DevOps Engineer with AbhiBus

   • Salary: $32.4K to $4.62L a year

   • Location: based in the office in Hyderabad, IN

   • Tech stack: Kubernetes, AWS, Helm, Docker, Python, PostgreSQL, MySQL, Cloudformation, Terraform, Gitlab

3. • DevOps Engineer with Meritis

   • Salary: $148.5K to $272.8K a year

   • Location: based in the office in Sophia Antipolis, FR

   • Tech stack: Kubernetes

4. • DevOps Engineer with Phonely

   • Salary: $67.5K to $539K a year

   • Location: based in the office in San Francisco, CA, USA

   • Tech stack: Kubernetes, AWS, GCP, ArgoCD, Python, Redis, PostgreSQL, Cloudformation, Pulumi, Terraform

5. • DevOps Engineer with Rain Technologies Inc.

   • Salary: $47.97K to $242K a year

   • Location: based in the office in Lisbon, PT

   • Tech stack: Kubernetes, AWS, Helm, Python, Kafka, Terraform, Grafana, Prometheus

Discover more Kubernetes jobs on Kube Careers →

Build something

• CRaC in Production: 88% Faster Spring Boot Startups on Kubernetes

  Shawrup K Suter

  This tutorial shows how CRaC can cut Spring Boot startup time on Kubernetes from 23 seconds to 2.8 seconds and explains the real production issues around AWS SDK checkpointing and OpenTelemetry.

• I Added Prometheus, Grafana, and Custom Alerting to My EKS Cluster, Here's How Observability Actually Works

  augusthottie

  This tutorial shows how to add Prometheus, Grafana, Alertmanager, custom metrics, ServiceMonitors, dashboards, and alert rules to an EKS cluster through GitOps.

• Vault: secure Kubernetes authentication with hashicorp Vault OIDC

  Felix Hoang

  This tutorial teaches how to eliminate static kubeconfig files by configuring HashiCorp Vault as an OIDC provider for authentication with dynamic, short-lived tokens.

• Stop Opening AWS Tickets: Build a Self-Service Platform with Backstage + Crossplane

  Sajosam

  This tutorial shows how to build a self-service IDP where developers provision real AWS S3 buckets via a Backstage form, with Crossplane handling AWS API calls through Kubernetes CRDs.

More tutorials →

Call for Papers closing soon

1. 2

   days

   code.talks

   The Call For Paper is open until 15 May 2026 at GMT-4. More info →

   • Location: Hamburg, DE

   • In-person conference organized by code.talks.

   • The conference starts on the 5 November 2026.

   • Apply here

2. 3

   days

   Devopsdays Denver

   The Call For Paper is open until 16 May 2026 at GMT-4. More info →

   • Location: Denver, CO, USA

   • In-person conference organized by Devopsdays.

   • The conference starts on the 22 September 2026.

   • Apply here

3. 3

   days

   Michigan Technology Conference 2026

   The Call For Paper is open until 16 May 2026 at GMT-4. More info →

   • Location: Rochester, MI, USA

   • In-person conference organized by The Michigan Technology Conference Association.

   • The conference starts on the 30 October 2026.

   • Apply here

4. 4

   days

   TechEx North America

   The Call For Paper is open until 17 May 2026 at GMT-4. More info →

   • Location: San Jose, CA, USA

   • In-person conference organized by TechEx Events.

   • The conference starts on the 19 May 2026.

   • Apply here

5. 5

   days

   Devopsdays London

   The Call For Paper is open until 17 May 2026 at GMT-4. More info →

   • Location: London, UK

   • In-person conference organized by Devopsdays.

   • The conference starts on the 17 September 2026.

   • Apply here

6. 5

   days

   Devopsdays Rio de Janeiro

   The Call For Paper is open until 17 May 2026 at GMT-4. More info →

   • Location: Rio de Janeiro, BR

   • In-person conference organized by Devopsdays.

   • The conference starts on the 15 August 2026.

   • Apply here

7. 6

   days

   Kubernetes Community Days Lima 2026

   The Call For Paper is open until 19 May 2026 at GMT-4. More info →

   • Location: Lima, PE

   • In-person conference organized by KCD Lima, Perú.

   • The conference starts on the 18 July 2026.

   • Apply here

More articles

• Keeping Your Security Model Intact When Running VMs in Kubernetes

  Dillon

  This article shows how to maintain VM-level network security during KubeVirt live migration by using Calico labels and policy enforcement rather than node or pod IPs.

• DocumentDB on Kubernetes: Resilient, Highly Available Databases with Automatic Failover

  Abhishek Gupta

  This article explains how the DocumentDB Kubernetes Operator delivers high availability with automatic failover, replica promotion, and optional zone, region, and multi-cloud resilience.

• Stop Manually Generating Kubeconfigs: Meet KubeUser

  Muhaned Yahya

  This article introduces KubeUser, an open source Kubernetes operator that automates user certificate, RBAC, and kubeconfig creation from a declarative custom resource.

• Lazy-pulling container images: a deep dive into OCI seekability

  Zain

  This article covers:

  • why OCI container layers resist random access due to DEFLATE dependency chains,
  • benchmarks eStargz, SOCI, Nydus, and cloud-managed lazy-pulling approaches,
  • how FUSE-based lazy pulling shifts cost from pull to runtime.

Even more articles →