Writing

Notes on engineering, systems, and building things.

• Elixir GenServer Tutorial: Build a Real-Time Chess Clock with OTP May 1, 2026

  Learn Elixir GenServers, Registry, and DynamicSupervisor by building a real multi-room chess clock from scratch. Step-by-step, no OTP experience needed.

• Phoenix PubSub and LiveView Tutorial: Real-Time Chess Clock (Part 2) May 1, 2026

  Connect an Elixir GenServer to the browser using Phoenix.PubSub and LiveView. Build real-time multiplayer UI with no JavaScript — step by step.