React Native Stream Group Chat Tutorial: Initialize Stream Chat Server

init Stream Chat server in server.js

// server/server.js
const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
const StreamChat = require('stream-chat').StreamChat;

require("dotenv").config();
const app = express();

const server_side_client = new StreamChat(
  process.env.APP_KEY,
  process.env.APP_SECRET
);

app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(cors());

app.get("/", async (req, res) => {
  res.send('all green!');
});