server.js

//Required to support babel's inline sourcemaps
require("source-map-support").install();
require("babel-register")({
  //See: https://babeljs.io/docs/usage/options/#options
  ignore: /node_modules/,
  presets: [["modern-node", { version: "6.0.0" }], "react", "stage-0"],
  sourceMaps: "both",
  babelrc: false //Do not use babelrc
});

const parrotSay = require("parrotsay-api");
const app = require("./src/server").default;

const host = process.env.HOST || process.env.NODE_ENV == "production"
  ? "0.0.0.0"
  : "127.0.0.1";
const port = parseInt(process.env.PORT) || process.env.NODE_ENV == "production"
  ? 80
  : 3000;

require("dns").lookup(require("os").hostname(), function(err, add, fam) {
  app.listen(port, host, () =>
    parrotSay(`Listening at ${add} (${host}) on port ${port}`).then(console.log)
  );
});