Articles

Field notes on cloud architecture — AWS, Kubernetes, and home lab experiments from the trenches.

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  A Small End-to-End App, Part 3 — A RAG Chatbot with pgvector + OpenAI

  Jun 28, 2026 Tutorial / AI · RAG

  Adding an assistant that answers only store questions: embeddings in Postgres, similarity search with pgvector, a relevance guardrail, and a prompt scoped to retrieved context.

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  A Small End-to-End App, Part 2 — The Frontend (React + Vite)

  Jun 27, 2026 Tutorial / Frontend

  Putting a React UI in front of the API: one tiny fetch wrapper, pages that load data, and the CORS detail that trips everyone up the first time.

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  A Small End-to-End App, Part 1 — The Backend (FastAPI + Postgres)

  Jun 26, 2026 Tutorial / Backend

  Building the API and data layer for a tiny clothing store: SQLAlchemy models, a clean catalog API, and Postgres — the foundation the frontend and chatbot sit on.

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  How I Built This Blog — Astro, Keystatic, and Cloudflare

  Jun 20, 2026 Tooling / Static Sites

  A walkthrough of the stack behind legendbits.com — a static Astro site with a local visual editor, deployed automatically through Cloudflare Pages.