server.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var logger = require('morgan');
var cors = require('cors');

var apiRouter = require('./routes/api');




var app = express();

var debug = require('debug')('video-editor-backend:server');


var http = require('http');

require('dotenv').config()

app.use(cors());
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, 'public')));

app.use('/api', apiRouter);

if (process.env.NODE_ENV === 'production') {
  // Set static folder
  app.use(express.static('client/dist'));

  app.get('*', (req, res) => {
    console.log(path.resolve(__dirname, 'client', 'dist', 'index.html'));
    res.sendFile(path.resolve(__dirname, 'client', 'dist', 'index.html'));
  });
}

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// // error handler
// app.use(function(err, req, res, next) {
//   // set locals, only providing error in development
//   res.locals.message = err.message;
//   res.locals.error = req.app.get('env') === 'development' ? err : {};

//   // render the error page
//   res.status(err.status || 500);
//   res.render('error');
// });

/**
 * Get port from environment and store in Express.
 */

const port = normalizePort(process.env.PORT || '3000');
console.log(port)
app.set('port', port);

/**
 * Create HTTP server.
 */

var server = http.createServer(app);

/**
 * Listen on provided port, on all network interfaces.
 */

server.listen(port);
server.on('error', onError);
server.on('listening', onListening);

/**
 * Normalize a port into a number, string, or false.
 */

function normalizePort(val) {
  var port = parseInt(val, 10);

  if (isNaN(port)) {
    // named pipe
    return val;
  }

  if (port >= 0) {
    // port number
    return port;
  }

  return false;
}

/**
 * Event listener for HTTP server "error" event.
 */

function onError(error) {
  if (error.syscall !== 'listen') {
    throw error;
  }

  var bind = typeof port === 'string'
    ? 'Pipe ' + port
    : 'Port ' + port;

  // handle specific listen errors with friendly messages
  switch (error.code) {
    case 'EACCES':
      console.error(bind + ' requires elevated privileges');
      process.exit(1);
      break;
    case 'EADDRINUSE':
      console.error(bind + ' is already in use');
      process.exit(1);
      break;
    default:
      throw error;
  }
}

/**
 * Event listener for HTTP server "listening" event.
 */

function onListening() {
  var addr = server.address();
  var bind = typeof addr === 'string'
    ? 'pipe ' + addr
    : 'port ' + addr.port;
  debug('Listening on ' + bind);
}