Docker on Joel Hanson

Supercharging Your AI: Setting Up RAG with PostgreSQL and pgvector

joelhanson025@gmail.com (Joel Hanson) — Mon, 30 Sep 2024 21:28:28 +0530

Learn how to implement a powerful Retrieval-Augmented Generation (RAG) system using PostgreSQL and pgvector. This comprehensive guide covers everything from setting up a custom PostgreSQL Docker image to creating a fully functional RAG query system with vector embeddings and language model inference.

When One Kafka Partition Takes All the Heat

joelhanson025@gmail.com (Joel Hanson) — Sun, 02 Aug 2026 12:00:00 +0530

Hot partitions show up as lag on one partition, a stressed broker, and consumers that do nothing when you scale out. Confirm the skew, fix the key, and recreate it locally with a Docker Compose demo.

Adding Durable Execution to Flask Applications with Restate

joelhanson025@gmail.com (Joel Hanson) — Sun, 16 Nov 2025 16:00:00 +0530

The Challenge of Reliable Background Operations
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Building web applications with Flask is straightforward until you need to handle operations that can fail. Database operations timeout, external APIs become unavailable, and network connections drop. These failures are inevitable in production systems, yet handling them gracefully often requires significant engineering effort.

Docker on Joel Hanson

Supercharging Your AI: Setting Up RAG with PostgreSQL and pgvector

When One Kafka Partition Takes All the Heat

Adding Durable Execution to Flask Applications with Restate

The Challenge of Reliable Background Operations #

The Challenge of Reliable Background Operations
#