Use Lima to run Linux on your Mac: install with Homebrew, start an Ubuntu VM, share files, and run your first container with nerdctl.

Learn Mermaid in 15 minutes: the flowchart and sequence diagram syntax that covers most work, plus the best videos, books, and docs to go deeper.

Lima explained: how it runs Linux VMs on your Mac, powers Colima and Rancher Desktop, and replaces Docker Desktop without the licensing bill.

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

Boolean logic explained: true, false, AND, OR, NOT, and the mental patterns a human needs before true or false can mean anything.

Invalid response loops in automated phone systems waste hours by design. A 27-minute FSA support call shows how Interactive Voice Response (IVR) menus fail people and how to fix them.

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

Empirical software engineering fundamentals: how systematic data collection and analysis replace opinion with evidence about how software is built and used.

Architecture decision making fundamentals: how to spot decisions that matter, weigh trade-offs, judge reversibility, and record choices with ADRs.

Data architecture fundamentals: the staging, core, and semantic layers, why architecture is not tools, and how batch and streaming data land.