server.js

const OpenAI = require("openai");
const { Configuration, OpenAIApi } = OpenAI;

const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
const app = express();
const port = 3001;

require("dotenv").config();

const configuration = new Configuration({
  organization: "org-7unE3qksFvn3VcT494PaduJp",
  apiKey: process.env.CHATGPT_API,
});

const openai = new OpenAIApi(configuration);

app.use(bodyParser.json());
app.use(cors());

app.post("/", async (req, res) => {
  const { message } = req.body;
  const response = await openai.createCompletion({
    model: "text-davinci-003",
    prompt: `${message}`,
    max_tokens: 2048,
    temperature: 0,
  });
  if (response.data) {
    if (response.data.choices) {
      res.json({
        message: response.data.choices[0].text,
      });
    }
  }
});

app.listen(port, () => {
  console.log("Example app port: " + port);
});