LangChain Pipeline

A general pipeline for GenAI, intended as a modular boilerplate for various runners/APIs/models/etc

Features

Webapp wrapped:

• Node ESM + Express
• OpenAPI V3
• Dockerized
• Simple Kubernetes support

Maintainability / Guardrails

• Winston logger with configurable transports
• ESLint
• Jest
• Husky pre-commit hooks
• Basic jest tests
  • unit, integration, and e2e
• PGlite for in-memory Postgres (for integration/e2e tests)

Functionality

• Base case for LangChain Pipeline

Notes

• Does NOT use an ORM (for now)
  • just defines static *.sql files and destructure-export them as needed

Get Started (local)

Prerequisites

• nvm use (if using nvm)
  • else node --version must be v20.11.1 or higher

Install deps and run the app

1. npm i
2. npm start

TODO:

• Link back to deps/libs declared here in this README
• Add RAG
• Add summarizer (2-stage model pipeline)
• Strucuted output example (Ollama format)
• Add agentic examples