Learn from production

• Three Weeks in the Trenches: Hunting a 4GB Native Memory Leak That .NET Couldn’t See

  Kalyan Josyula

  This case study shows how a team traced repeated pod OOM kills in ASP.NET Core to native memory growth from zombie SignalR connections, glibc fragmentation, and kernel socket buffers.

• 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.

More case studies →

Matching jobs

1. • Machine Learning Engineer with iFood

   • Salary: $27K to $246.4K a year

   • Location: remote from

   • Tech stack: Kubernetes, AWS, Rust

2. • Software Engineer with iFood

   • Salary: $30.24K to $247.5K a year

   • Location: remote from

   • Tech stack: Kubernetes, AWS, Docker, Go, Kotlin, SQL, RabbitMQ, Kafka

3. • Data Engineer with Filevine

   • Salary: $18K to $297.88K a year

   • Location: remote from

   • Tech stack: Kubernetes, AWS, Azure, GCP, Docker, C#, Python, SQL, Snowflake, Airflow

4. • Data Engineer with Firmus Technologies

   • Salary: US$88.2K to US$286K a year

   • Location: based in the office in Singapore, SG

   • Tech stack: Kubernetes, AWS, Azure, GCP, Helm, Python, SQL, Snowflake, Kafka, Airflow

5. • Head Of Engineering with Cyara

   • Salary: $185.4K to $385K a year

   • Location: remote from

   • Tech stack: Kubernetes, AWS, Docker

Discover more Kubernetes jobs on Kube Careers →

Build something

• Kubernetes Gateway API on EKS Exposed via ALB

  Shanaka Jayasundera

  This tutorial shows how to set up Kubernetes Gateway API on EKS using Istio Ambient Mesh exposed through AWS ALB, with Terraform, ArgoCD, and a layered architecture separating infra from app deployment.

• Handling Leaked Secrets and Credentials in Version Control Repositories

  Gaurang Malvankar

  This tutorial explains how to prevent, detect, and clean up leaked secrets in Git repositories using .env files, Kubernetes Secrets, Gitleaks, GitGuardian, and git-filter-repo.

• Running Production Minded Kubernetes on a Raspberry Pi

  Razeen Abdal-Rahman

  This tutorial shows how to run a small, security-focused k3s cluster on a Raspberry Pi inside a normal home network with tight hardware and networking limits.

• Mastering Crossview Deployment: Securing Your Crossplane Dashboard in an Enterprise Kubernetes Environment

  Moeid Heidari

  This tutorial teaches how to deploy Crossview on Kubernetes with Helm and secure it for enterprise use with session auth, SSO, proxy header auth, RBAC, TLS, and high-availability settings.

More tutorials →

Call for Papers closing soon

1. 5

   days

   DebConf26

   The Call For Paper is open until 25 May 2026 at GMT-4. More info →

   • Location: Santa Fe, AR and virtual

   • Online & in-person conference organized by Debian Argentina community.

   • The conference starts on the 20 July 2026.

   • Apply here

2. 11

   days

   DevOpsDays Istanbul 2026

   The Call For Paper is open until 31 May 2026 at GMT-4. More info →

   • Location: Istanbul, TR

   • In-person conference organized by DevOps Turkey.

   • The conference starts on the 29 September 2026.

   • Apply here

3. 11

   days

   DevOps Midwest 2026

   The Call For Paper is open until 31 May 2026 at GMT-4. More info →

   • Location: St. Louis, MO, USA

   • In-person conference organized by Sketch.

   • The conference starts on the 22 August 2026.

   • Apply here

4. 12

   days

   KubeCon + CloudNativeCon North America 2026

   The Call For Paper is open until 1 June 2026 at GMT-4. More info →

   • Location: Los Angeles, CA, USA

   • In-person conference organized by Linux Foundation.

   • The conference starts on the 26 October 2026.

   • Apply here

5. 12

   days

   Heapcon 2026

   The Call For Paper is open until 1 June 2026 at GMT-4. More info →

   • Location: Belgrade, RS

   • In-person conference organized by heapspace.

   • The conference starts on the 6 November 2026.

   • Apply here

6. 12

   days

   Cloud Native Days Norway

   The Call For Paper is open until 1 June 2026 at GMT-4. More info →

   • Location: Bergen, NO

   • In-person conference organized by CND Norway.

   • The conference starts on the 27 October 2026.

   • Apply here

7. 13

   days

   Devopsdays Istanbul

   The Call For Paper is open until 1 June 2026 at GMT-4. More info →

   • Location: Istanbul, TR

   • In-person conference organized by Devopsdays.

   • The conference starts on the 24 October 2026.

   • Apply here

More articles

• Migrating Ingress NGINX Controller to Istio in Kubernetes environment

  Bharat Kalra

  This article covers an ingress-nginx to Istio migration, architectural decisions, the RE2 vs PCRE regex incompatibility gotcha, URL rewrite differences, resource overhead comparison between sidecar and ambient mode, and a phased migration strategy.

• Building Secure GitOps Pipelines: Integrating External Secrets Operator with ArgoCD on EKS

  Josh Woolbright

  This tutorial shows how to secure an ArgoCD based EKS GitOps workflow with External Secrets Operator, IRSA, and AWS SSM Parameter Store so secrets stay out of Git and sync safely into Kubernetes.

• Freezing Spark Drivers to Zero Resources and Waking Them in 300 Milliseconds

  rammi-dev

  This article explains how Spark Connect, CRIU, and ZeroPod can freeze idle Spark drivers to near-zero resources and restore full session state in about 300 milliseconds on Kubernetes.

• Before You Migrate: Five Surprising Ingress-NGINX Behaviors You Need to Know

  This article explains five Ingress-NGINX behaviors that can break migrations, including path-matching differences, regex quirks, rewrite behavior, and annotation mismatches when migrating to another ingress solution.

Even more articles →