server.js

const express = require("express");
const bodyParser = require("body-parser");
const allRoutes = require("./routes");
const cors = require("cors");
const { config } = require("dotenv");

// loads environment vars from .env
config();

// start the app and listen for requests on a port
const app = express();
const port = process.env.PORT || 5000;

if (process.env.NODE_ENV !== "test") {
  app.listen(port, () => console.log(`Running on port ${port}`));
}

// we use cors library to prevent annoying cors issues
app.use(cors());

// this allows us to get req.body in json format - very important for post requests!
app.use(bodyParser.json());

// lets load all our routes and start making requests!
app.use(allRoutes);

module.exports = { app };