Langchain & Flask

This sample is an endpoint that tells programming jokes and shows how to deploy a flask app that uses Langchain on to AWS via Defang.

Prerequisites

1. Download Defang CLI
2. (Optional) If you are using Defang BYOC authenticated with your AWS account
3. (Optional - for local development) Docker CLI

Deploying

1. Open the terminal and type defang login
2. Set the environment variable OPENAI_KEY by typing defang config set OPENAI_KEY.
3. Type defang compose up in the CLI.
4. Your app will be running within a few minutes.

Development

For development, first clone the project and navigate to its directory. After such, please run the command

docker compose up --build

This will start a Docker container with the flask app which will display the result of the langchain prompt.

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Title: LangChain & Flask

Short Description: A sample project demonstrating how to deploy LangChain with Flask on Defang.

Tags: LangChain, Flask, AI, Python

Languages: python