server.js

const express = require("express");
const cors = require("cors");
const db = require("./app/models");

const app = express();

var corsOptions = {
    origin: "http://localhost:8081"
};

app.use(cors(corsOptions));

// parse requests of content-type - application/json
app.use(express.json());

// parse requests of content-type - application/x-www-form-urlencoded
app.use(express.urlencoded({ extended: true }));

// Initialize Sequelize / Sync to db
db.sequelize.sync()
  .then(() => {
    console.log("Synced db.");
  })
  .catch((err) => {
    console.log("Failed to sync db: " + err.message);
  });

// During development, may need to drop existing tables
// and re-sync database:
/*
db.sequelize.sync({ force: true }).then(() => {
  console.log("Drop and re-sync db.");
});
*/

// simple route
app.get("/", (req, res) => {
    res.json({ message: "Welcome to Ou42's application based on bezkoder's tut."});
});

require("./app/routes/tutorial.routes")(app);

// set port, listen for requests
const PORT = process.env.PORT || 8080;
app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}.`);
});