index.js

const express = require("express");
const cors = require("cors");
const bodyParser = require("body-parser");
const cookieParser = require("cookie-parser");
const passport = require("passport");

if (process.env.NODE_ENV !== "production") {
  // Load environment variables from .env file in non prod environments
  require("dotenv").config();
}
require("./src/utils/connectdb");

require("./src/authen/strategies/JWTStrategy");
require("./src/authen/strategies/localStrategy");
require("./src/authen/authenticate");

const userRouter = require("./src/user/routes/Routes");
const session = require("express-session");

const app = express();
app.use(
  session({
    secret: process.env.SESSION_KEY,
    resave: true,
    saveUninitialized: true,
  })
);
app.use(bodyParser.json());
app.use(cookieParser(process.env.COOKIE_SECRET));

//Add the client URL to the CORS policy

const whitelist = ["http://localhost:3000", "https://apnascheme.netlify.app"];

const corsOptions = {
  origin: function (origin, callback) {
    if (!origin || whitelist.indexOf(origin) !== -1) {
      callback(null, true);
    } else {
      callback(new Error("Not allowed by CORS"));
    }
  },

  credentials: true,
};

app.use(cors(corsOptions));

app.use(passport.initialize());
app.use(passport.session());
app.use("/users", userRouter);

//setting up server
const port = process.env.PORT || 5000;
app.get("/", function (req, res) {
  res.send({ status: "success" });
});

//Start the server in port 5000

app.listen(port, (err) => {
  if (err) {
    console.error(err);
  } else {
    console.log("server running at http://localhost:", port);
  }
});