server.js

require("dotenv-safe").config();
const express = require("express");
const bodyParser = require("body-parser");
const morgan = require("morgan");
const compression = require("compression");
const helmet = require("helmet");
const cors = require("cors");
const passport = require("passport");
const app = express();
const initMongo = require("./config/mongo");

// Setup express server port from ENV, default: 3000
app.set("port", process.env.PORT || 3000);

// Enable only in development HTTP request logger middleware
if (process.env.NODE_ENV === "development") {
  app.use(morgan("dev"));
}

// for parsing json
app.use(
  bodyParser.json({
    limit: "20mb",
  })
);
// for parsing application/x-www-form-urlencoded
app.use(
  bodyParser.urlencoded({
    limit: "20mb",
    extended: true,
  })
);

// Init all other stuff
app.use(cors({ origin: process.env.FRONTEND_URL }));
app.use(passport.initialize());
app.use(compression());
app.use(helmet());
app.use(require("./app/routes"));
app.listen(app.get("port"));

// Init MongoDB
initMongo();

module.exports = app; // for testing