Practical LangChain : Building and Deploying LLM-Powered Applications
Overview
Practical LangChain: Building and Deploying LLM-Powered Applications by Bernand Bernie is your hands-on roadmap for turning the power of large language models into real, production-ready software. Blending conceptual clarity with practical code, this book guides you through every step of architecting, implementing, and deploying robust, scalable AI applications using LangChain.
What's Inside
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Foundations of LangChain: Get up to speed on LangChain's architecture-prompt templates, chains, agents, memories, and connectors. Learn how it sits atop LLMs to provide modular, reusable components.
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Core Application Patterns: Dive into real-world scenarios like semantic search engines, dynamic question-answering systems, sentiment and topic analysis pipelines, and automated code assistants. Each example comes with fully annotated Python code.
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Advanced Agent Workflows: Master multi-agent orchestration, from simple decision-trees to hierarchical, role-based systems that can collaborate on complex tasks-think AI research assistants, multi-step data pipelines, and conversational sales bots.
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Retrieval-Augmented Generation (RAG): Explore strategies for connecting LLMs to document stores, vector databases (FAISS, Pinecone), and SQL backends to ground outputs in real data.
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API & Service Integrations: See how to seamlessly integrate third-party APIs (e.g., knowledge graphs, translation, weather) and cloud services for dynamic inputs and outputs.
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Data Analysis & Visualization: Build query-driven dashboards and natural language interfaces over pandas, SQLite, and NoSQL stores-empowering non-technical users to mine insights with simple prompts.
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Deployment Best Practices: Navigate containerization (Docker), orchestration (Kubernetes), serverless functions, and CI/CD pipelines to ship your AI apps to production with confidence.
Key Features
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End-to-End Projects: From a simple chatbot to a production-grade RAG system, follow step-by-step tutorials that you can extend and adapt.
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Code-First Learning: All examples in Python, with clear explanations of each line, dependencies, and structure.
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Scalable Architectures: Patterns for horizontal scaling, caching strategies, and cost-effective cloud deployments.
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Best-of-Breed Tools: Hands-on with FAISS, SQLite, Redis, and popular cloud ML services.
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How to design prompt flows and chain logic for diverse use cases.
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Techniques for enriching LLM outputs with factual data and domain knowledge.
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Building collaborative multi-agent ecosystems for complex, multi-step workflows.
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Strategies for integrating LLMs with external APIs, databases, and live data streams.
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Deployment pipelines, monitoring, and security considerations for AI services.
Developers, data scientists, and AI practitioners who have some Python experience and want to harness LangChain to build intelligent, user-centric applications. Ideal for anyone preparing to launch AI-driven products or to deepen their grasp of LLM engineering and MLOps practices.
This item is Non-Returnable
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Details
- ISBN-13: 9798292554127
- ISBN-10: 9798292554127
- Publisher: Independently Published
- Publish Date: July 2025
- Dimensions: 10 x 7 x 0.44 inches
- Shipping Weight: 0.81 pounds
- Page Count: 206
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