app.js

// export default appName;
require("dotenv").config();
const { errors } = require("celebrate");

const express = require("express");
const mongoose = require("mongoose");
const cors = require("cors");
const passport = require("passport");
const logger = require("morgan");

// Setting up port
const connUri = process.env.MONGO_URI;

//= == 1 - CREATE APP
// Creating express app and configuring middleware needed for authentication
const app = express();

app.use(logger("dev"));
app.use(cors());

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

// form-urlencoded

//= == 2 - SET UP DATABASE
// Configure mongoose's promise to global promise
mongoose.promise = global.Promise;
mongoose.connect(connUri, {
  useNewUrlParser: true,
  useCreateIndex: true,
  useUnifiedTopology: true
});

const { connection } = mongoose;
connection.on("error", () => {
  process.exit();
});

//= == 3 - INITIALIZE PASSPORT MIDDLEWARE
app.use(passport.initialize());
require("./middlewares/jwt")(passport);

//= == 4 - CONFIGURE ROUTES
// Configure Route
require("./routes/index")(app);

app.use(errors());
module.exports = app;