Kubernetes Best Practices

Kubernetes Vertical Pod Autoscaler: Automating Resource Request Tuning In Production

Let me be direct with you: most Kubernetes clusters I audit are hemorrhaging money because of poorly configured resource requests. I've seen teams running...

Istio Observability and Authorization: Distributed Tracing, Metrics, and Access Policies

How to use Istio's built-in observability — distributed tracing with Jaeger, Prometheus metrics, Kiali service graph — and enforce zero-trust access control with AuthorizationPolicies.

Istio Service Mesh: Installation, Traffic Management, and mTLS

A practical guide to getting started with Istio — installing on Kubernetes, enabling automatic mTLS, configuring VirtualServices for traffic management, and understanding the sidecar injection model.

Kubernetes

Container Orchestration

Open-source container orchestration platform for automating deployment, scaling, and management of containerized applications. The de facto standard for running production workloads at scale.

Docker

Containers

Platform for building, shipping, and running applications in containers. Docker pioneered the container revolution and remains the most popular container toolchain for development workflows.

Terraform

Infrastructure as Code

Infrastructure as Code tool by HashiCorp that lets you define cloud and on-premises resources in human-readable configuration files. Supports 3,000+ providers across every major cloud.

How fast can you type real DevOps commands? Race against the clock in a terminal-themed typing challenge with kubectl, Docker, Terraform, and more.

Guess the DevOps tool from progressive clues. Prometheus, Terraform, ArgoCD, and 30+ more. Fewer clues needed = higher score.

Do you know what CIDR, RBAC, SRE, and MTTR stand for? 50+ acronyms across networking, security, cloud, containers, and more with fun facts.