I got incredibly tired of manually coding the exact same backend infrastructure layout, setting up complex LangChain Expression Language (LCEL) pipelines, and configuring mock Stripe gateway webhooks every single time I built an automation tool for a client.
So, I cleaned up my backend code structure and open-sourced it as an ultra-lightweight, production-ready framework blueprint for indie developers and B2B AI Automation Agencies (AAA). It features full Pydantic input validation data schemas and runs locally on your machine in under 5 minutes with zero server bloat.
Check out the repository structure and launch your agent locally:
The-AppLab
/
ultimate-fastapi-langchain-boilerplate
A lightweight, production-ready backend boilerplate framework for B2B AI Automation Agents using FastAPI and LangChain.
Ultimate FastAPI + LangChain AI Agent Boilerplate (Core Lite)
Welcome to the ultimate open-source infrastructure foundation for building production-grade AI Automation Agents, asynchronous backend microservices, and specialized workflows. Designed explicitly for B2B AI Automation Agencies (AAA) and indie hackers who want to build and ship software rapidly.
This core repository provides a clean, ultra-lightweight environment layout to eliminate tedious structural configuration loops and get your AI features running locally in under 5 minutes.
UPGRADE TO THE COMPLETE PRODUCTION-READY PRO VERSION
Looking to save an extra 40+ hours of setup, deploy structural database endpoints, and monetize your apps instantly?
The Pro Bundle Includes: Fully configured asynchronous input payload parsing, structural enterprise model routing filters, Production Stripe Webhook Payment Gateway Listeners, advanced Pydantic data schemas, and pre-packaged local environment templates ready for immediate global deployment.
Features Included in the Core Framework
- FastAPI Frameworkβ¦
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