Yeoman to S3 deploy script.

config-fog.yml

:s3:
  :provider: 'AWS'
  :aws_access_key_id: 'AWS_ACCESS_KEY'
  :aws_secret_access_key: 'AWS_ACCESS_SECRET'
  :region: 'sa-east-1'
:bucket:
  :key: 'bucket-name'
  :public: true
:metadata:
  :cache_expiration: 604800

deploy.rb

#!/usr/bin/env ruby

require 'fileutils'
require 'yaml'
require 'zlib'

require 'bundler/setup'
Bundler.require

CONFIG = YAML.load_file(File.expand_path("config/fog.yml", File.dirname(__FILE__)))

def connection
  $connection ||= Fog::Storage.new(CONFIG[:s3])
end

def files
  list = Dir["dist/**/*"].select { |f| File.file? f }
  list << 'index.html'
  list
end

def gzip(file)
  Zlib::GzipWriter.open("#{file}.gz") do |gz|
    gz.mtime = File.mtime(file)
    gz.orig_name = file
    gz.write IO.binread(file)
  end
end

def upload(file)
  created_file = bucket.files.new(
    key: file,
    body: File.read(file + '.gz'),
    public: true,
    content_type: MIME::Types.type_for(file).first.content_type,
    content_encoding: 'gzip',
    cache_control: "public, #{CONFIG[:metadata][:cache_expiration]}",
  )
  created_file.save
end

def cleanup(file)
  FileUtils.rm_f(file + '.gz')
end

def bucket
  connection.directories.get(CONFIG[:bucket][:key])
end

files.each do |f|
  begin
    print "Uploading file #{f}..."
    gzip(f)
    upload(f)
    puts " [DONE]"
  ensure
    cleanup(f)
  end
end

Gemfile

source 'https://rubygems.org'

gem 'unf'
gem 'fog'
gem 'mime-types', require: 'mime/types'