server.js

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

require("dotenv").config();

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

const app = express();

//Body parser Middleware
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

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

// Connect to MongoDB
mongoose
  .connect(db)
  .then(() => console.log("MongoDB Connected"))
  .catch(err => console.log(err));

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

//passport Config
require("./config/passport.js")(passport);

const path = require("path");
app.use(express.static(path.join(__dirname, "client/build")));

// Use Routes
app.use("/api/users", users);
app.use("/api/profile", profile);
app.use("/api/posts", posts);
app.use("/api/friendrequest", friendrequest);

app.get("/*", function(req, res) {
  res.sendFile(path.join(__dirname, "./client/build/index.html"), function(
    err
  ) {
    if (err) {
      res.status(500).send(err);
    }
  });
});
const port = process.env.PORT || 5000;

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