server.js

const express = require("express");
const mongoose = require("mongoose");
const bodyParser = require("body-parser");
const path = require('path');
const passport = require("passport");
require('dotenv').config();

const users = require("./routes/api/users");

const app = express();

// Bodyparser middleware
app.use(
  bodyParser.urlencoded({
    extended: false
  })
);
app.use(bodyParser.json());

// DB Config
// Connect to MongoDB

db = "mongodb+srv://zchen:tamuaggies@cluster0.x3jpo.mongodb.net/aggiealert?retryWrites=true&w=majority"

mongoose
  .connect(
    db,
    { useNewUrlParser: true,
      useUnifiedTopology: true, }
  )
  .then(() => console.log("MongoDB successfully connected"))
  .catch(err => console.log(err));

// Passport middleware
app.use(passport.initialize());

// Passport config
require("./config/passport")(passport);

// Routes
app.use("/api/users", users);

// Serve static assets if in production
if (process.env.NODE_ENV === "production") {
  // Set a static folderr
  app.use(express.static('client/build'));

  app.get('*', (req, res) => {
    res.sendFile(path.resolve(__dirname, 'client', 'build', 'index.html'));
  });
}

const port = process.env.PORT || 5000; // process.env.port is Heroku's port if you choose to deploy the app there
app.listen(port, () => console.log(`Server up and running on port ${port} !`));