What Is Envoy?


A proxy sitting between two services, with a control plane above it pushing configuration down.

Envoy explained: what the proxy behind Istio and modern Kubernetes gateways does, why it exists, and how its control plane model works.

Fundamentals of Containerization


Diagram showing a container image built from layers running as isolated processes on a shared host kernel

Containerization fundamentals: images, layers, namespaces, cgroups, and why containers make software portable and reproducible across environments.

Fundamentals of Software Automation


Diagram showing the automation spectrum from manual tasks through scripted processes to fully automated, self-healing systems.

Software automation fundamentals: core principles, build systems, infrastructure as code, and when automation pays off versus when it creates more problems.

How Do I Use GitHub Private Mirrors?


GitHub Private Mirrors let organizations contribute upstream without exposing drafts. What they are, why they exist, and how the GitHub Private Mirrors App works.

GitHub Private Mirrors let organizations contribute upstream without exposing drafts. What they are, why they exist, and how the GitHub Private Mirrors App works.

Fundamentals of Software Development Operations


Diagram showing how software development intersects with operational excellence: development velocity, system reliability, operational visibility, and cross-functional coordination working together to support business operations at scale.

How software teams impact operational excellence. A developer's guide to understanding operations from a COO's perspective.

Release Engineering and CI/CD Fundamentals


Diagram showing CI/CD workflow from code commit through automated testing to deployment

Release engineering and CI/CD fundamentals: how builds, tests, and deploys become automated, and which deployment strategies cut release risk.

Fundamentals of Capacity Planning


Cover image for capacity planning fundamentals and scalable system reliability.

Learn capacity planning fundamentals: how to predict resource needs, avoid over-provisioning, and scale systems efficiently. Essential guide for engineers and operations teams.

Fundamentals of Incident Management


Diagram showing incident lifecycle from detection through resolution with runbooks, alerts, and automation

Understand incident management fundamentals: how to respond effectively when systems fail, build runbooks that work, create actionable alerts, and prevent incidents before they happen.

What Is Software Delivery?


Understanding software delivery, its key aspects, and why it matters in the modern tech landscape.

Learn Kubernetes


Learn Kubernetes basics to navigate the high digital seas. No acronyms, no buzzwords, no bullshit.

Learn Terraform


Learn Terraform for your infrastructure as code efforts. It will save you a significant amount of time managing your system resources.