server.js

var express = require("express");
var bodyParser = require("body-parser");
var methodOverride = require("method-override");
var db = require("./models");
var port = process.env.PORT || 3000;
var sequelize = require('sequelize')
const path = require("path");
var app = express();

// Serve static content for the app from the "public" directory in the application directory.
app.use(express.static("public"));

app.use(bodyParser.urlencoded({ extended: false }));

// Override with POST having ?_method=DELETE
app.use(methodOverride("_method"));

// Set Handlebars.
var exphbs = require("express-handlebars");

app.engine("handlebars", exphbs({ defaultLayout: "main" }));
app.set("view engine", "handlebars");

// Import routes and give the server access to them.
var routes = require("./controllers/burgers_controller.js");

app.use("/", routes);

db.sequelize.sync({ force: false }).then(function() {
    app.listen(port, function() {
        console.log("App listening on PORT " + port);
    });

});
// app.listen(port, function() {
//     console.log("App listening on PORT " + port);
// });