Blog

Celery on AWS ECS - Complete Guide

June 29, 2026

Complete guide for running Celery on AWS ECS.

How I destroyed production OpenSearch cluster

June 22, 2026

It was a Tuesday. We've released 11 PRs already - so why not release the 12th one as well? What could possibly go wrong? The story about lessons learned from the destroyed production OpenSearch cluster.

Improve feedback loop for AI agents with custom linter

June 17, 2026

AI agents are really great, but they don't always follow all the rules. This article shows how to improve the feedback loop for AI agents using a custom linter, thereby improving the quality of the output.

How the auto dependency update broke our production

June 9, 2026

How the auto dependency update broke production, and what we did to prevent that from happening in the future

Prevent unintentional breaking API changes in FastAPI apps

June 2, 2026

We're moving faster than ever. Code is changing, APIs are changing. It's all great until international breaking API changes are deployed to production. Learn how to prevent this from happening.

Build your first AI agent with Pydantic AI

May 27, 2026

Everyone's talking about AI agents. Only a few are actually building them. Build your first agent and learn about things like tools, structured output, and agent testing.

Mitigate supply-chain attacks for Python dependencies

May 18, 2026

Supply-chain attacks are becoming increasingly frequent. Dependency cooldown is a very simple yet effective approach to protect your codebase against them. Learn how to apply that inside your Python projects.

AI-powered Python rewrite to Rust

May 12, 2026

Cheatsheet

Python is great, but at some point, its performance hits the wall. When this happens, we can rewrite the computationally intensive part of our code to Rust. This series shows how to confidently rewrite Python code to Rust with the power of AI.

AI-Powered Rewrite from Python to Rust - part 4

May 12, 2026

This article is part 4 in the series that shows how to confidently rewrite Python code to Rust with the power of AI. In this part, we use property-based testing to find and fix a subtle bug that was introduced during the rewrite.

AI-Powered Rewrite from Python to Rust - part 3

May 5, 2026

This article is part 3 in the series that shows how to confidently rewrite Python code to Rust with the power of AI. In this part, we use the tests provided in parts 1 and 2 and an AI agent to implement a Rust version of the Log parser.