index.js

const express = require('express'),
      morgan = require('morgan');
      bodyParser = require('body-parser')
      cookieParser = require('cookie-parser'),
      path = require('path');
const app = express();

app.use(morgan('tiny'));
app.use(bodyParser.json());
app.use(cookieParser());

app.use('/api/sms', require('./routes/sms'));
app.use('/api/appointments', require('./routes/appointment'));
app.use('/api/users', require('./routes/user'));
app.use('/api/patients', require('./routes/patient'));
app.use('/api/treatments', require('./routes/treatment'));
app.use('/api/paymentTransactions', require('./routes/paymentTransaction'));
app.use('/api/dashboard', require('./routes/dashboard'));


if(process.env.NODE_ENV === 'production') {
   app.use(express.static(path.join(__dirname,'/react-ui/build')));
   app.get('*', (req, res) => {
      res.sendFile(path.join(__dirname, '/react-ui/build','index.html'));
   });
}

app.listen(process.env.PORT || 5000, (req, res) => {
   console.log(`Started listening on PORT ${process.env.PORT || 5000}`);
});