app.js

var express  = require('express')
  , path = require('path')
  , favicon = require('serve-favicon')
  , logger = require('morgan')
  , bodyParser = require('body-parser')
  , methodOverride = require('method-override')
  , routes = require('./modules/index')
  , users = require('./modules/users')
  , db = require( './config/db' )
  ;

var app = express();

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

// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(methodOverride('X-HTTP-Method-Override'));
app.use(express.static(path.join(__dirname, 'front-end')));


// Rotas
app.use('/', routes);
app.use('/users', users);


// Set up API Paths
var api = {};
api.users = require( './modules/users/api' );
api.eventos = require( './modules/eventos/api' );
// ==================
// API Paths USE
app.use( '/api/users', api.users );
app.use( '/api/eventos', api.eventos );
// ==================


// Erros
// 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(function(err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

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


module.exports = app;

folder.js

project folders:
  - front-end
    - images
      - 1.jpg
    - css
    - js
  

app.use(express.static(path.join(__dirname, '/front-end')));