book-ai-chat

application allows you to ask questions about text that has been trained in the database using openai model.

Features

• implemented opeai model,
• read pdf using langchain
• postgresml to create table and train model

Installation

npm install
npm start

you need to create .env file and add value:

POSTGRES_URL
POSTGRES_USER
POSTGRES_HOST
POSTGRES_DB
POSTGRES_PASS
POSTGRES_PORT

OPENAI_API_KEY
PORT=3000

How to run

• create account on https://postgresml.org/
• connect to your PostgreSQL Database: Use the psql command to connect to your PostgreSQL database. psql -h your_host -U your_username -d your_database
• create table \i src/create.sql
• show a list of tables in a PostgreSQL database \dt
• If you want to see more details about a specific table, you can use the \d chat_pdf
• you can read the rows by executing a SELECT query. SELECT * FROM public.chat_pdf
• select pdf you want and name it embeddings.pdf
• run node embed.js to insert loaded pdf content into table
• run node index.js or npm start
• you can send request POST /api/chat/completions with body {"input": "your question"} from Postman or custom front end