app.js

var express = require('express');
var path = require('path');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var fs = require('fs');

var app = express();

var env = process.env.NODE_ENV || 'development';
app.locals.ENV = env;
app.locals.ENV_DEVELOPMENT = env == 'development';


app.set('port', process.env.PORT || 3000);

app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
  extended: true
}));
app.use(cookieParser());


app.use('/api', require('./router'));

/// catch 404 and forward to error handler
app.use(function(req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});


/// error handlers

// development error handler
// will print stacktrace

if (app.get('env') === 'development') {
  app.use((err, req, res, next) => {
    res.status(err.status || 500).json({
      message: err.message,
      error: err
    });
    debug(err);
  });
}

// production error handler
// no stacktraces leaked to user
app.use((err, req, res, next) => {
  res.status(err.status || 500).json({
    message: err.message,
    error: {}
  });
});


module.exports = app;