Istio for Beginners

Istio AuthorizationPolicy For Namespace-Level RBAC In Multi-Tenant Kubernetes Clusters

Multi-tenancy in Kubernetes is one of those topics that sounds straightforward until you're three months into a production incident because Team A's micros...

Istio Pilot Discovery XDS Push Errors: Fixing "No Healthy Upstream" In Multi-Cluster Mesh Deployments

Quick reference for debugging `no healthy upstream` errors caused by Pilot xDS push failures in multi-cluster Istio setups. --- You're running a multi-clus...

Istio EnvoyFilter Custom Configuration For Advanced HTTP Header Manipulation

Let's be honest: if you're running a service mesh in production, you're going to need custom header manipulation. Whether it's adding security headers, tra...

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.