index.js

const express = require("express");
const mongoose = require("mongoose");
const cookieSession = require("cookie-session");
const passport = require("passport");
const bodyParser = require("body-parser");
const keys = require("./backend/config/keys");

//IMPORT MODELS
require("./backend/models/User");
require("./backend/models/Events");

//IMPORT SERVICES
require("./backend/services/passport");

mongoose.connect(keys.mongoURI);
const app = express();

app.use(bodyParser.json());

app.use(
  cookieSession({
    maxAge: 30 * 24 * 60 * 60 * 1000,
    keys: [keys.cookieKey]
  })
);

app.use(passport.initialize());
app.use(passport.session());

//IMPORT ROUTES
const routes = require('./backend/routes');
app.use(routes);

//PRODUCTION ENVIRONMENT CHECK
if (process.env.NODE_ENV === "production") {
  //Express to serve up production assets (main.css and main.js)
  app.use(express.static("client/build"));
  //Express to serve up index.html
  const path = require("path");
  app.get("*", () => (req, res) => {
    res.sendFile(path.resolve(__dirname, "client", "build", index.html));
  });
}

//Route Handler for port
const PORT = process.env.PORT || 5000;
app.listen(PORT);