server.js

const express = require("express");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
const helmet = require("helmet");
require('dotenv').config();


var apiRoutes = require("./routes/api.js");
const auth = require("./routes/auth.js");

const app = express();
app.set("view engine", "ejs");

app.use(helmet());

console.log("Server js file is loaded");
// Database mongoose  connection
mongoose.connect(process.env.DB, {
  useNewUrlParser: true,
  useFindAndModify: false,
  useCreateIndex: true,
  useUnifiedTopology: true
}).catch(err => console.log(err));
let db = mongoose.connection;
db.on("error", console.error.bind(console, "MongoDB connection error:"));

// to determine the directories for other files
app.use(express.static(__dirname));

//Bodyparser setup
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

auth(app);
apiRoutes(app);


app.use(function(req, res, next) {
    res.status(404)
      .type('text/html')
      .sendFile(process.cwd() + "/404.html");
  });

  let port = process.env.PORT || 1234;
  app.listen(port , function () {
    console.log("Listening on port " + port);
  });