Rake task to upload static website to AWS S3 using the s3cmd command-line tool

s3_website.rake

require 'fileutils'

OUT_DIR = 'public'
desc 'Prepare and upload the static site to S3'
task :upload, [:name] do |t, args|

  raise Exception.new('You must provide the name of site to upload to, e.g., be rake upload[www]') unless args[:name]

  puts "Removing existing output directory"
  FileUtils.rm_rf OUT_DIR if File.exists?(OUT_DIR)
  Dir.mkdir OUT_DIR

  puts "Compiling assets..."
  `bundle exec rake assets:precompile RAILS_ENV=production`

  puts "\n\n>>>>>>>>"
  puts 'PLEASE kill any running rails servers, and start one in production mode like this:'
  puts 'RAILS_ENV=production bundle exec rails s'
  puts 'Press enter once the server has started:'
  STDIN.gets

  puts "Getting copy of static pages..."
  Dir.chdir(OUT_DIR) do
    ['index', 'error', 'privacy'].each do |page|
      `wget -m -nH http://localhost:3000/#{page}.html`
    end
    `cp ../favicon.ico .`
    `cp ../robots.txt .`
    `cp ../site_map.xml .`

    puts "\n\nUploading site to S3, this will take a few minutes..."
    `s3cmd put -r * s3://#{args[:name]}.MYSITE.COM/`
  end

  # Remove OUT_DIR otherwise users running in development mode won't see updated pages
  FileUtils.rm_rf OUT_DIR if File.exists?(OUT_DIR)
  puts "\n\nYou can now kill the rails server."
  puts "-- DONE --"
end