Repository: homanp/vercel-langchain
Branch: main
Commit: 9025bf531a8a
Files: 5
Total size: 1.6 KB

Directory structure:
gitextract_9eoj8xvl/

├── .gitignore
├── README.md
├── api/
│   └── index.py
├── requirements.txt
└── vercel.json

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FILE CONTENTS
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================================================
FILE: .gitignore
================================================
.vercel
*.log
*.pyc
__pycache__

# Environments
.env
.venv
env/
venv/
ENV/
env.bak/
venv.bak/


================================================
FILE: README.md
================================================

[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Fhomanp%2Fvercel-langchain)

# LangChain running on Vercel

A minimal example on how to run LangChain on Vercel using Flask.

## Installation

#### 1. Virtualenv
Create and activate `virtualenv`.

```bash
virtualenv MY_ENV
source MY_ENV/bin/activate
```

#### 2. Install requirements
```bash
pip install requirements.txt
```

#### 3. Start development server
```bash
vercel dev
```

#### 4. Example API route
```bash
GET http://localhost:3000
```

## Environment Variables

To run this project, you will need to add the following environment variables to your .env file

`OPENAI_API_KEY`

## One-Click Deploy

[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Fhomanp%2Fvercel-langchain)



## Further reading

Learn more about how to use LangChain by visiting the offical documentation or repo:

https://langchain.readthedocs.io/en/latest/

https://github.com/hwchase17/langchain

================================================
FILE: api/index.py
================================================
import os

from flask import Flask
from langchain.llms import OpenAI

app = Flask(__name__)

@app.route('/')
def home():
    llm = OpenAI(temperature=0.9)
    text = "What would be a good company name a company that makes colorful socks?"

    return llm(text)


================================================
FILE: requirements.txt
================================================
Flask==2.2.2
langchain==0.0.113
openai==0.26.4


================================================
FILE: vercel.json
================================================
{
  "builds": [
    {
      "src": "api/index.py",
      "use": "@vercel/python"
    }
  ],
  "routes": [
    {
      "src": "/(.*)",
      "dest": "api/index.py"
    }
  ]
}