Python
Deploy Python apps (Django, FastAPI, PostgreSQL, Redis, Celery) to Fly.io — the companion code to the AWS ECS vs Fly.io article.
Fly.ioDjangoDeployment
Repositories
Code and reference implementations that accompany the articles. Browse the full collection on GitHub.
Python
Reference setup for caching, sessions, and background tasks in Django using Redis.
DjangoRedisCaching
Python
Minimal Retrieval-Augmented Generation pipeline built with LangChain and the OpenAI API.
RAGLangChainOpenAI
Python
Examples and scaffolding for building autonomous, tool-using AI agents.
Agentic AILLMAgents
Scalable WhatsApp messaging service built with Python and the Twilio API.
PythonTwilioWhatsApp
Python
LLM evaluation harness using OpenAI Evals with Arize Phoenix for observability.
OpenAIEvalsPhoenix
MQTTNet broker and client with TLS (OpenSSL) support in C#/.NET.
C#.NETMQTT
Python
Sequence modeling with LSTM networks using Keras and TensorFlow.
Deep LearningKerasTensorFlow
JavaScript
Access Hadoop HDFS data from Node.js via the WebHDFS REST API.
Big DataHadoopNode.js