server.js

require("dotenv").config();
require("./config/database").connect();
const express = require("express");
const app = express();
const http = require("http");
var cors = require("cors");
var bodyParser = require("body-parser");
const cookieParser = require("cookie-parser");

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

const providerRoutes = require("./routes/providerRoutes");

app.use("/api/provider", providerRoutes);

const port = process.env.APP_PORT;
const httpServer = http.createServer(app);

httpServer.listen(port, () => {
  console.log("server up and running on PORT :", port);
});

const io = require("./socket")(httpServer, app);
app.set("socketio", io);

//to add new field in model
// db.foo.update({},{$set : {"isBlocked":false}})
// db.getCollection('businesses').update({},{$set : {"isDeleted":false,"isTrending":false}}, false,true)