lc-api

Overview

lc-api is a project that provides an API service utilizing various language models. It is built using the NestJS framework and integrates with different language model services.

Supported LLM services:

• OpenAI
• Ollama
• AWS Bedrock

Motivation

The aim of this project is to play around with TypeScript, NestJS, and LangChain.

Features

• Language Model Integration: Supports multiple language models.
• Configurable: Easily configurable through a centralized configuration service.
• Modular Design: Built with a modular design to facilitate easy extension and maintenance.

Technologies Used

• TypeScript: The primary language used for development.
• NestJS: A progressive Node.js framework for building efficient and scalable server-side applications.
• LangChain: A library for building language model applications.
• npm: Node package manager for managing dependencies.

Getting Started

Prerequisites

• Node.js (v14 or higher)
• npm (v6 or higher)

Installation

1. Clone the repository:

   git clone https://github.com/tivaliy/lc-api.git

2. Install dependencies:

   cd lc-api
   npm install

3. Copy the .env.example file and rename it to .env. Update the environment variables as needed.
4. Start the application:

   npm run start

5. The application should now be running on http://localhost:8888.

Keywords

TypeScript | NestJS | LangChain | LLM | API | Language Models