Simple Gruntfile using grunt-contrib-connect (run 'grunt serve')

Gruntfile.js

/* global module */

module.exports = function(grunt) {
  'use strict';

  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    connect: {
      options: {
        port: 8000,
        hostname: 'localhost'
      },
      server: {
        options: {
          middleware: function(connect) {
            return [
              connect().use(
                '/bower_components',
                connect.static('./bower_components')
              ),
              connect.static('./app')
            ];
          }
        }
      }
    }
  });

  grunt.loadNpmTasks('grunt-contrib-connect');

  grunt.registerTask('serve', ['connect:server:keepalive']);
};