server.js

const express = require("express");
const path = require("path");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
const apiRoutes = require("./routes/apiRoutes");
const app = express();
const PORT = process.env.PORT || 3001;

// Serve up static assets (usually on heroku)
// Needed because we use hot loading during development
if (process.env.NODE_ENV === "production") {
  app.use(express.static("client/build"));
}

// Configure body parser for AJAX requests
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

// Add routes, both API and view
app.use("/api", apiRoutes);

// Send every request to the React app
// Define any API routes before this runs
app.get("*", function(req, res) {
  res.sendFile(path.join(__dirname, "./client/build/index.html"));
});

// Set up promises with mongoose
mongoose.Promise = global.Promise;
// Connect to the Mongo DB
mongoose.connect(
  process.env.MONGODB_URI || "mongodb://localhost/nytreact",
  {
    useMongoClient: true
  }
);

mongoose.connection.on("error", function(error) {
  console.log("Mongoose Error: ", error);
});

mongoose.connection.once("open", function(){
  console.log("Mongoose connection successful.");
});


app.listen(PORT, function() {
  console.log(`🌎 ==> Server now on port ${PORT}!`);
});