server.js

const express = require("express"),
  mongoose = require("mongoose"),
  bodyParser = require("body-parser"),
  passport = require('passport');

const app = express();

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

//Routes to diffrent functions
const users = require("./routes/api/users");
const profile = require("./routes/api/profile");
const posts = require("./routes/api/posts");

//MongDB config
const db = require("./config/key").mongoURI;

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

app.get("/", (req, res) => res.send("Hello world"));

app.use(passport.initialize());


require('./config/passport')(passport);

app.use("/users", users);
app.use("/profile", profile);
app.use("/posts", posts);

const port = process.env.PORT || 8080;

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