server.js

const express = require("express");
const mongoose = require("mongoose");
const users = require("./routes/apis/users");
const profile = require("./routes/apis/profile");
const posts = require("./routes/apis/posts");
const passport = require("passport");
const path = require("path");
const app = express();

app.use(express.urlencoded({ extended: false }));
app.use(express.json());
//DB  config
const db = require("./config/keys").mongoURI;

//Connect to mongoDB

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

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

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

//use routes

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

//sever static assets if in production
if (process.env.NODE_ENV === "production") {
  //set the 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 is running on port ${port}`);
});