Lee Robinson

I teach developers how to build the future.

Build Local Image Search with Quarkus, ONNX, and pgvector (No Cloud Required)

Build a fast, offline image similarity search engine in Java using Quarkus, ONNX Runtime, LangChain4j, and PostgreSQL with pgvector. This hands-on tut...

Textualize/textual: The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.

The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web brows...

Attempting to Design a Back-end with Cleaner Architecture Rules and Boundaries

How I'm learning to build with better software architecture design principles (while 'moving fast and breaking things').

How to Secure Environment Variables for LLMs, MCPs, and AI Tools Using 1Password or Doppler

Stop hardcoding API keys in MCP configs and AI tool settings. Learn how to use 1Password CLI or Doppler to inject secrets just-in-time for Claude, Cur...

How I Finally Got a DigitalOcean Spaces Bucket to Default Public (Spoiler: Ditch Per-Bucket Keys)

Still hitting 403 errors trying to make a DigitalOcean Spaces bucket public? Turn off Per-Bucket Access Keys, lean on simple ACLs, and skip the old su...

repo-tokens-calculator

CLI token counter (Python + tiktoken + uv) with pretty summary

Filey - Flag Deprecated Files Extension

VS Code extension for flagging deprecated files

Copper

Banking and financial literacy platform designed for teenagers and families.

Lessly.io

On-demand rental marketplace for consumer electronics and technology products.

Mulberry Technology

Extended warranty and product protection platform for e-commerce.