upload to s3

#!/usr/bin/env ruby
require 'rubygems'
require 'bundler/setup'
require 'aws'
require 'json'

AWS.config(
  :access_key_id => '<access key>',
  :secret_access_key => '<secret key>',
)
s3 = AWS.regions['us-east-1'].s3

  bucket_name = "<bucket name>"
  bucket = s3.buckets[bucket_name]
  unless bucket.exists?
    bucket = s3.buckets.create(bucket_name)
  end
  obj = bucket.objects['<folder>']
  # for public serving of files + caching
  File.open(<file path>, 'r') do |f|
    obj.write(f, {
      :content_type => '<content type>',
      :cache_control => 'public,max-age=86399,s-maxage=120'
    })
    obj.acl= :public_read
  end