server.js

const express = require('express');
const pg = require('pg');
const cors = require('cors');
var bodyParser = require('body-parser');
const bcrypt = require('bcrypt');
var cookieParser = require('cookie-parser');
// var session = require("express-session");
// var Cookies = require("js-cookie");

var app = express();

app.use(cookieParser());

app.use(cors({
    origin: 'http://localhost',
    credentials: true,
}));

const pool = new pg.Pool({
    user: 'postgres',
    host: 'localhost',
    database: 'mywebstore',
    password: '12345',
    port: '5000'});

app.use(bodyParser.urlencoded({extended: false})).
    use(bodyParser.json()).
    post("/check",logIn).
    post("/signUp",signUp);

function logIn (request,response){
    var username = request.query.username;
    var password = request.query.password;
    console.log("User: " + username + " has successfully logged in!");
    response.cookie("loggedIn", 'something');
    response.end("stuff happened");
}

function signUp (request,response){
    var username = request.body.username;
    var password = request.body.password;
    var email = request.body.email;
    console.log("Post request has been made: " + username + " " + password + " " + email);
    pool.query("INSERT INTO users (username,password,email) VALUES ($1,$2,$3)",[username,password,email], (err, res) => {
        console.log(res);
    });
}

app.get("/stuff",function (request,response){
    response.cookie('name', 'tobi');
    response.send("stuff");
    console.log("stuff");
    console.log(request.cookies);
});

app.listen(5001,function() {
    console.log("listening");
});