Simple S3 deploy task for middleman site

Rakefile

require 'rubygems'
require 'bundler'

begin
  Bundler.setup(:default, :development)
rescue Bundler::BundlerError => e
  $stderr.puts e.message
  $stderr.puts "Run `bundle install` to install missing gems"
  exit e.status_code
end

require 'dotenv'
Dotenv.load

desc "Deploy website to s3"
task :deploy do
  puts "Building website"
  `middleman build`

  puts "Deploying website"
  require 'aws-sdk'
  s3 = AWS::S3.new(region: 'us-west-2',
                   access_key_id: ENV['ACCESS_KEY_ID'],
                   secret_access_key: ENV['SECRET_ACCESS_KEY'])

  bucket = s3.buckets['myinvoicer.com']
  build = Pathname.new("build")

  Dir.glob("build/**/*.*").each do |file|
    source = Pathname.new(file)
    destination = source.relative_path_from(build)
    bucket.objects[destination].write(source)
  end

  puts "Website deployed"
end

# Gemfile shown here for reference
# source 'https://rubygems.org'
#
# gem 'middleman', '>= 4.0.0'
#
# Deployment
# gem 'aws-sdk'
# gem 'dotenv'