Partial script for uploading to S3 in Ruby

s3_uploader.rb

require "aws-sdk"
require_relative "errors"

class S3Uploader

    AWS_ACCESS_KEY = ENV["AWS_ACCESS_KEY"]
    AWS_SECRET_KEY = ENV["AWS_SECRET_KEY"]
    AWS_BUCKET_NAME = ENV["AWS_BUCKET_NAME"]
    AWS_REGION = ENV["AWS_REGION"] || "us-east-1"
    AWS_FILE_PREFIX = ENV["AWS_FILE_PREFIX"] || "bm"
    AWS_URL_CONTAINS_REGION = ENV["AWS_URL_CONTAINS_REGION"] || false

    def self.upload(local_path, title, extension, file_type)
      filename = "#{AWS_FILE_PREFIX}-#{SecureRandom.uuid}"
      s3 = Aws::S3::Resource.new(region: AWS_REGION)
      obj = s3.bucket(AWS_BUCKET_NAME).object("#{filename}.#{extension}")
      if AWS_URL_CONTAINS_REGION
        url = "https://s3.#{AWS_REGION}.amazonaws.com/#{AWS_BUCKET_NAME}/#{filename}.#{extension}"
      else
        url = "https://s3.amazonaws.com/#{AWS_BUCKET_NAME}/#{filename}.#{extension}"
      end
      
      obj.upload_file(local_path)
      {
          url: url,
          extension: File.extname(local_path).gsub(".", ""),
          file_type: file_type,
          filename: filename,
          platform: "iOS",
          title: title
      }
    end

end