Refer to the parent repo's readme First.

• Installs bower apps from a bower.json file in the root directory
• Installs compass
• Deletes a few common files that are not need for production by Angular apps to reduce the slug size

• .bowerrc
• .editorconfig
• .git/
• .gitattributes
• .gitignore
• .jshintrc
• .travis.yml
• .tmp/
• .sass-cache/
• Gruntfile.js
• app/
• bower_components/
• bower.json
• karma-e2e.conf.js
• karma.conf.js
• package.json
• test/

This buildpack uses a task in your Gruntfile to build the contents of your app folder into an optimized dist folder. This is the same thing the command grunt does in your yo angular app. All of this takes place on the heroku server, so all you have to do is push your app's source code to heroku with the standard .gitignore file . There is no need for you to commit the dist folder or any other pre-built files like a lot of the other online guides suggest. This buildpack installs all the node_modules, bower_components and uses grunt to build your app.

I use express, gzippo and morgan with the Procfile command web: node web.js. But you can use anything. Here is a sample of my web.js file:

'use strict';

var gzippo = require('gzippo');
var express = require('express');
var logger = require('morgan');
var nodeApp = express();

nodeApp.use(logger('dev'));
nodeApp.use(gzippo.staticGzip('' + __dirname + '/dist'));
nodeApp.listen(process.env.PORT || 5000);

grunt.registerTask('heroku', ['build']);

This is the task that will be run by heroku on the heroku server. I have just included the build task here (referring to the standard build task created by the yo angular) but you could add the newer:jshint and the test task too.

You can also set the environment variable NODE_ENV on your heroku server if you want the buildpack to call a heroku:$NODE_ENV task. In that case, here is how the task will look like in your Gruntfile:

grunt.registerTask('heroku', function (target) {
  // use the target to do whatever, for example:
  grunt.task.run('build:' + target);
});

heroku config:set BUILDPACK_URL=https://github.com/nknj/heroku-buildpack-yo-angular.git

git push heroku master