server.js

const express = require("express");
const mongoose = require("mongoose");
const path = require("path");
const cors = require("cors");

// Routes Requires
const card = require("./routes/api/card");

const app = express();

//Middleware
app.use(cors());
app.use(express.json({ extended: false }));

// DB Config
const db = require("./config/keys").mongoURI;

// Connect to Mongo
mongoose
  .connect(db, { useNewUrlParser: true, useUnifiedTopology: true }) // Adding new mongo url parser
  .then(() => console.log("MongoDB Connected..."))
  .catch(err => console.log(err));

mongoose.set("useNewUrlParser", true);
mongoose.set("useFindAndModify", false);
mongoose.set("useCreateIndex", true);
// Use Routes
app.use("/", card);

// Serve static assets if in production
if (process.env.NODE_ENV === "production") {
  // Set static folder
  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;

app.listen(port, () => console.log(`Server started on port ${port}`));