app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var swig = require('swig');
var session = require('express-session');
var flash = require('connect-flash');

var db_connection_str = 'mongodb://127.0.0.1:27017/freshee';

var args = process.argv.slice(2);
if (args && args.length > 0) {
    db_connection_str = args[0];
}

var routes = require('./routes/index')(db_connection_str);

var app = express();

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

//console.log("process.env.NODE_ENV =", process.env.NODE_ENV);

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

// app.use(favicon(__dirname + '/public/img/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
  extended: true
}));

app.use(express.static(path.join(__dirname, 'public')));

app.use(cookieParser());
app.use(session({
    secret: 'wkl9S6SyYXEETIefsT709Uf7n9nNIU88Vmj3a3UE',
    resave: true,
    saveUninitialized: true
}));
app.use(flash());

app.use('/', routes);

/// 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,
            title: 'error'
        });
    });
}

// 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: {},
        title: 'error'
    });
});

/*
if (app.locals.ENV_DEVELOPMENT == true) {
    module.exports = app;    
} else {
    // Prod
    app.listen(3000);
}
*/

app.listen(3000);