09: UserService Redis container

main.rb

# services/user_service/main.rb

require 'activerecord'
require 'barrister-redis'

# establish a connection to the database
db_config = YAML.load(ERB.new(File.read('../../config/database.yml')).result)
ActiveRecord::Base.establish_connection db_config[ENV['RACK_ENV'] || 'development']

# create our MailService proxy
opts         = { database_url: ENV['OPENREDIS_URL'], list_name: 'user_service' }
transport    = Barrister::RedisTransport opts
mail_service = Barrister::Client.new(transport).MailService

# create the UserService
idl     = './user_service.json'
service = UserService.new mail_service

# drop it into a container, connected to Redis
Barrister::RedisContainer.new(idl, service, opts).start