app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var fs = require('fs');
const cors = require('cors');

var mainRouter = require('./routes/routes');
var usersRouter = require('./routes/users');

var app = express();


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

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

/*
 * load configuration from file
 */
console.log('Loading config');
const config = JSON.parse(fs.readFileSync('./config/routing.config.json').toString());
console.log(config);

// set up cors
app.use(cors({
  origin: config['configuration']['cors-origin']
}));

app.use('/', usersRouter(config));
app.use('/', mainRouter(config));


// 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');
});

//module.exports = app;
app.listen(config['configuration']['listening-port'])