FastAPI Production-Ready Best Practices for LLM Applications: A Comprehensive Guide

FastAPI’s speed, async capabilities, and automatic API documentation make it ideal for building production-grade APIs serving Large Language Models (LLMs). This guide details best practices for deploying scalable, secure FastAPI applications handling LLM inference, streaming responses, and high-throughput requests.[1][3][5] LLM APIs often face unique challenges: high memory usage, long inference times, streaming outputs, and massive payloads. We’ll cover project structure, async optimization, security, deployment, and LLM-specific patterns like token streaming and caching. ...

January 6, 2026 · 7 min · 1337 words · martinuke0

Django for LLMs: A Complete Guide from Zero to Production

Table of Contents Introduction Understanding the Foundations Setting Up Your Django Project Integrating LLM Models with Django Building Views and API Endpoints Database Design for LLM Applications Frontend Integration with HTMX Advanced Patterns and Best Practices Scaling and Performance Optimization Deployment to Production Resources and Further Learning Introduction Building web applications that leverage Large Language Models (LLMs) has become increasingly accessible to Django developers. Whether you’re creating an AI-powered chatbot, content generation tool, or intelligent assistant, Django provides a robust framework for integrating LLMs into production applications. ...

January 1, 2026 · 11 min · 2225 words · martinuke0

Claude Agent Skills: Zero-to-Production Guide

Introduction Claude Code introduces a powerful feature called Skills—a way to teach Claude repeatable, specialized capabilities that persist across sessions. Think of Skills as plugins for behavior: structured instruction sets that define exactly what Claude should do, when to do it, and which tools it can use. Unlike one-off prompts that you type into chat, Skills are persistent, discoverable, and automatically selected by Claude based on context. They transform Claude from a general-purpose assistant into a specialized agent that can reliably perform complex, domain-specific tasks. ...

December 28, 2025 · 18 min · 3782 words · martinuke0

Zero to Production: Step-by-Step Fine-Tuning with Unsloth

Unsloth has quickly become one of the most practical ways to fine‑tune large language models (LLMs) efficiently on modest GPUs. It wraps popular open‑source models (like Llama, Mistral, Gemma, Phi) and optimizes training with techniques such as QLoRA, gradient checkpointing, and fused kernels—often cutting memory use by 50–60% and speeding up training significantly. This guide walks you from zero to production: Understanding what Unsloth is and when to use it Setting up your environment Preparing your dataset for instruction tuning Loading and configuring a base model with Unsloth Fine‑tuning with LoRA/QLoRA step by step Evaluating the model Exporting and deploying to production (vLLM, Hugging Face, etc.) Practical tips and traps to avoid All examples use Python and the Hugging Face ecosystem. ...

December 26, 2025 · 12 min · 2521 words · martinuke0

vLLM Deep Dive — Architecture, Features, and Production Best Practices

Introduction vLLM is an open-source, production-focused inference engine for large language models (LLMs) that prioritizes high throughput, low latency, and efficient GPU memory usage. This post provides a deep technical dive into vLLM’s architecture, core innovations (especially PagedAttention), quantization and model support, scheduling and batching strategies, distributed and multi-GPU operation, practical deployment patterns, benchmarks and trade-offs, and troubleshooting tips for production systems. Table of contents Introduction What is vLLM and when to use it Core innovations PagedAttention and KV memory management Micro-batching and continuous batching Kernel and CUDA optimizations Model support and quantization Supported model families and formats Quantization: GPTQ, AWQ, INT4/INT8/FP8 Scheduling, batching, and token routing Multi-GPU and distributed inference Tensor and pipeline parallelism MoE and expert routing considerations Integration and developer experience Hugging Face and OpenAI-compatible APIs Example: simple Python server invocation Production deployment patterns Cost and utilization considerations Scaling strategies and failure isolation Benchmarks, comparisons, and trade-offs vLLM vs alternatives (TensorRT‑LLM, LMDeploy, SGLang, Transformers) Common issues and operational tips Conclusion What is vLLM and when to use it vLLM is a high-performance inference engine designed to serve transformer-based LLMs with high concurrency and long context windows while keeping GPU memory usage efficient. Use vLLM when you need to serve many concurrent users or large contexts with good throughput, when you want easy integration with Hugging Face models, and when maximizing GPU utilization (through micro-batching and efficient KV caching) is a priority[4][1]. ...

December 19, 2025 · 7 min · 1473 words · martinuke0
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