server.js

const express = require('express');
const connectDB = require('./config/db');
const authRouter = require('./routes/api/auth');
const postsRouter = require('./routes/api/posts');
const profileRouter = require('./routes/api/profile');
const usersRouter = require('./routes/api/users');
const path = require('path');

const app = express();

// connecting DB
connectDB();

// body parser middleware
app.use(
  express.json({
    extended: false,
  })
);

// Routes
app.use('/api/auth', authRouter);
app.use('/api/posts', postsRouter);
app.use('/api/profile', profileRouter);
app.use('/api/users', usersRouter);

// Serve static assets 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}`));