FastAPI

Learn how to build a lightweight, 200-line FastAPI gateway with automatic dual-upstream failover for LLM APIs like DeepSeek and OpenAI, ensuring zero downtime for production applications.

Learn how to build and configure a local LLM proxy that translates OpenAI API requests to local model runners, featuring streaming, prompt caching, and intelligent failover.

Learn how to transition a prototype LangGraph AI agent into a production-grade application by building a robust FastAPI backend with PostgreSQL state persistence and external business databases.

A comprehensive guide to implementing OpenTelemetry in FastAPI applications to achieve deep observability, tracing, and log correlation for modern LLM-driven services.

A comprehensive guide to building a production-ready Retrieval-Augmented Generation (RAG) system using Claude, Postgres with pgvector, and FastAPI, focusing on speed, reliability, and cost-efficiency.

A comprehensive guide on integrating Gemini Batch API and Webhook API to build a high-performance, cost-effective restaurant analysis assistant using LINE Bot and FastAPI.

Learn how to automate your development workflow using GitHub Copilot for AI-powered code reviews. This guide covers setup, CLI integration, and advanced strategies for faster PR approvals.

A deep dive into transforming Microsoft's GraphRAG from a CLI tool into a production-grade RESTful service with streaming support, incremental indexing, and high-availability architecture.

A comprehensive guide to transitioning from a local LLM demo to a production-ready enterprise AI customer service system, focusing on private deployment, cost optimization, and high-concurrency architecture.

A comprehensive guide to architecting a scalable Retrieval-Augmented Generation (RAG) system using FastAPI, LangChain, and Google Gemini for enterprise-grade AI solutions.