Deploy to S3 - Asset Pipeline, S3 and Heroku

Deploy

namespace :deploy do
  desc "Deploy to Heroku"
  task :heroku do
    Rake::Task["deploy:precompile_assets_and_upload_to_s3"].invoke
    Rake::Task["deploy:push_heroku"].invoke
  end

  desc "Precompile assets and upload to s3"
  task :precompile_assets_and_upload_to_s3 do
    storage       = Fog::Storage.new :provider => 'AWS', :aws_access_key_id => "123", :aws_secret_access_key => "123"
    bucket        = storage.directories.get('bucket_name')
    assets_folder = bucket.files.get('assets/')

    if assets_folder
      assets_folder.destroy
      puts "[Deleted] assets/"
    end

    bucket.files.create :key => 'assets/', :public => true
    system "RAILS_ENV=production rake assets:precompile"
    Dir.glob(File.join(Rails.root, 'public', 'assets', '*')).each do |file|
      new_file = bucket.files.new :key => "assets/#{File.basename(file)}", :body => File.open(file), :public => true
      if new_file.save
        puts "[Uploaded] #{File.basename(file)}"
      else
        puts "[Failed Upload] #{File.basename(file)}"
      end
    end
  end

  desc "Push master branch to heroku remote"
  task :push_heroku do
    puts "[Deploying] Heroku"
    `git push heroku master`
  end
end