andreaslang.dev

andreaslang.dev

Tutorial-style posts on data/software engineering and GenAI.

I'm Andreas, a Lead Data Engineer at Altruistiq. Lately I'm mostly building production AI on AWS Bedrock with pydantic-ai. Posts here are tutorials with runnable code; bring an AWS account and Terraform, leave with something that works.

Terraform PR Agent

4 parts

A demo series on deploying an AI agent to production, one part at a time. The agent runs on Bedrock, writes Terraform, and opens pull requests; each post builds out another part of the production setup.

  1. Bedrock and pydantic-ai with observability from day one
  2. Audit trail via OTLP: every agent run as a trace
  3. Model portability: swapping Bedrock for the Mistral API
  4. File tools and validate: the agent's feedback loop new