Livereload: Express + Grunt

gruntfile.js

// Generated on <%= (new Date).toISOString().split('T')[0] %> using <%= pkg.name %> <%= pkg.version %>

(function () {
    "use strict";
    
    module.exports = function (grunt) {
      
      // Project Configuration
        grunt.initConfig({
            pkg: grunt.file.readJSON('package.json'),
            watch: {
                jade: {
                    files: ['app/views/**/*.jade'],
                    options: {
                        livereload: true
                    }
                },
                javascripts: {
                    files: ['public/js/*.js', 'assets/javascripts/**/*.js', 'app.js', 'app/**/*.js', 'settings/**/*.js'],
                    tasks: ['jshint'],
                    options: {
                        livereload: true
                    }
                },
                stylesheets: {
                    files: ['app/stylesheets/**/*.sass'],
                    options: {
                        livereload: true
                    }
                }
            },
            nodemon: {
                dev: {
                    options: {
                        file: 'app.js',
                        args: [],
                        ignoredFiles: ['README.md', 'node_modules/**', '.DS_Store'],
                        watchedExtensions: ['jade', 'css', 'js'],
                        watchedFolders: ['app', 'public', 'config'],
                        debug: true,
                        delayTime: 1,
                        env: {
                            PORT: 3000
                        },
                        cwd: __dirname
                    }
                }
            },
            concurrent: {
                tasks: ['nodemon', 'watch'],
                options: {
                    logConcurrentOutput: true
                }
            }
        });
    
        //Load NPM tasks 
        grunt.loadNpmTasks('grunt-contrib-watch');
        grunt.loadNpmTasks('grunt-nodemon');
        grunt.loadNpmTasks('grunt-concurrent');
      
        //Default task(s).
        grunt.registerTask('default', ['concurrent']);

    };
}());